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In The New Prophecy arc


Mousewhisker first appears as a young kit. It is revealed that Hazel, Berry, and Mouse are Daisy's kits.
Berry, Hazel, Mouse, and their mother, Daisy, are found wandering around ThunderClan territory by a ThunderClan patrol consisting of Brackenfur, Spiderleg, Cloudtail, and Squirrelflight. The four loners are taken to the ThunderClan camp. After Daisy introduces herself and her kits to ThunderClan, Firestar, ThunderClan's leader, tells her that she and her kits can stay in ThunderClan as long as they like. After this, her kits are given Clan names: Berry becomes Berrykit, Hazel becomes Hazelkit, and Mouse becomes Mousekit.
During the badger attack, Daisy and her kits are forced to evacuate the nursery and hide in the brambles above the hollow while the battle is fought below.


Berrykit, Hazelkit, and Mousekit grow up absorbed in Clan lifestyle, but their mother, Daisy, is frightened by the recent badger attack and decides to leave ThunderClan and take her kits back to the Horseplace, where they had been born. She leaves with them as soon as Berrykit's tail injury from a fox trap is healed and he is well enough to travel. The kits are not pleased with her decision, with Berrykit complaining when they are brought out of camp, as mentioned by Squirrelflight. The kits are elated when Brambleclaw and Cloudtail come to bring them and Daisy back to ThunderClan. Eventually, after a lot of persuasion, Daisy decides to return to ThunderClan, and gives it another chance. Also, after seeing Brightheart, Mousekit is scared of her appearance, upsetting Brightheart.
Hazelkit and Mousekit hunt down a butterfly, which Spottedleaf shows them because she felt it was time for Leafpool to know the truth about Mothwing. They both end up killing the butterfly.

In the Power of Three arc

The Sight

Mousekit is now an apprentice, Mousepaw, with Spiderleg as his mentor.
Mousepaw is seen eating with his littermates Hazelpaw and Berrypaw when Hollykit gets in trouble with her brothers for sneaking out to hunt for the fox cubs. He is seen blinking sympathetically at Hollykit, before looking away, leaving her to ponder about her punishment.
Mousepaw is then later seen with his littermates, Hazelpaw and Berrypaw. Berrypaw informs them they would be assessed later on in the day. He finds Lionkit hiding out by the dirtplace at night listening to Dustpelt and Spiderleg doubting Stormfur's loyalty to ThunderClan. Mousepaw gets caught, but he doesn't give Lionkit away. He, along with the other apprentices, cheer for Lionpaw, Jaypaw, and Hollypaw after their apprentice ceremony.
At the next Gathering, Mousepaw attends along with his siblings. Lionpaw wonders why the Clanborn apprentices, Honeypaw, Poppypaw, and Cinderpaw are staying behind while the non-Clanborn apprentices were going. Mousepaw shows that he likes the RiverClan apprentice Minnowpaw, and tries to show Lionpaw around. Minnowpaw offers to walk with them around the island. Mousepaw happily accepts, delighted at the thought of a moonlight stroll with the pretty apprentice, but Lionpaw ducks away because he doesn't want to go since Mousepaw is mooning over Minnowpaw. He then meets the WindClan apprentice, Heatherpaw, and acts in a similar fashion.

Dark River

Mousepaw is seen sleeping among his siblings in the apprentices' den, despite the rain pouring down. He climbs up a tree, attempting to catch a squirrel, but is explained to be to scared to get down or even move for that matter. He ends up falling, but luckily he ends up uninjured. Afterwards, he exclaims that he will get the squirrel next time.
When Stormfur asks if any cat could not trust Brook, Millie, or Daisy to fight for ThunderClan, Mousepaw, Berrypaw, and Hazelpaw protest the loudest. After, Mousepaw and Cinderpaw are seen pacing back and forth near their mentors, Cloudtail and Spiderleg, Brambleclaw tells them that it is time they got assessed, and that they must go hunting and catch as much prey possible. Mousepaw tells Hollypaw that he's going to show Spiderleg that he can really catch a squirrel.
When Hollypaw asks Mousepaw if hunting in the undergrowth is okay for him, he agrees with her saying that undergrowth is easier, and once he catches a couple mice, he hunts for a squirrel. Mousepaw comes up to Hollypaw and exclaims about his catches, and what prey animal who would catch next, and Hollypaw tells him that he'll scare all the prey away since he talked so loud. He also asks Hollypaw if she's seen Cinderpaw and he hopes she's done okay. Mousepaw tells Cinderpaw that he wants to show Spiderleg that he can catch squirrels as well as mice. He tells them that he wants to climb the Sky Oak, and that he has been practicing and wants to show Spiderleg how good he is. When he attempts climbing the Sky Oak, he loses the squirrel he tracks and is scared to climb down. Cinderpaw climbs up to help him. She almost succeeds, but then falls, breaking her hind leg. Mousepaw is among the cats that stay with Cinderpaw after her fall, and Jaypaw senses him trembling.
Mousepaw teases Lionpaw after he misses a wagtail. Honeypaw points out that he missed a squirrel and Spiderleg tells Mousepaw that his climbing could use a little bit of practice. Mousepaw flattens his ears and tells Spiderleg to go practice with him. 


Mousepaw is first seen briefly with his mentor, Spiderleg, after Jaypaw scares away a thrush Berrypaw was hunting.
Later, before he is about to receive his warrior name, all the apprentices gather around him, Hazelpaw, and Berrypaw. They boast about the prey they caught during their assessment.
When he receives his warrior name, he is named Mousewhisker, and his siblings are named Hazeltail and Berrynose.


Mousewhisker, along with Graystripe and Sorreltail, go hunting along with Jaypaw who is going to collect herbs. Mousewhisker is excited to have Cinderpaw, Honeypaw, and Poppypaw become full warriors because he thinks that it will stop the senior warriors from hogging the best moss, which he later denies when Graystripe and Sorreltail hear. He volunteers to help Jaypaw collect mallow. He becomes excited about learning that WindClan crossed the border, and asks if Jaypaw can manage the mallow leaves he collected while he goes and tells his littermates, Berrynose and Hazeltail.
During the WindClan invasion, he is part of Brambleclaw's patrol. Mousewhisker scratches his eye on a thorn while watching for WindClan and Hollypaw guides him into the battle. He seems more friendly to Hollypaw after, for helping him out. During the battle, he is pinned down by Emberfoot. When Jaypaw arrives, Tawnypelt pulls Mousewhisker out of the battle and asks Jaypaw take him back to camp. While leaving the battle for treatment, he proudly states to Lionpaw and Jaypaw that the only injury he got was a swelling eye, which is then about the size of an apple.

Long Shadows

Mousewhisker is seen near the fresh-kill pile with his brother Berrynose, and Hollyleaf.
Later, when Tawnypelt and her kits arrive, he comes out of the warriors' den with Honeyfern and Dustpelt, who later tells both of them to get some hunting patrols organized. He is seen with his littermates when Littlecloud comes to the camp.
When Jaypaw tells Foxpaw that Firestar is sick, Foxpaw tells Mousewhisker. He goes into the warriors' den and tells the other warriors that Firestar was sick. He causes the other warriors to panic, but Jaypaw quickly calms them down.
While cats are preparing the abandoned Twoleg nest for the cats with greencough, Mousewhisker helps Jaypaw carry herbs there.
During the fire, Mousewhisker is seen with Spiderleg, running out of the camp. After the storm and the fire, Mousewhisker and Thornclaw repair the gaps in the nursery wall.


In the first chapter, Mousewhisker guards the camp overnight.
When the traveling cats, who are going to find Sol, stop at the Horseplace, Smoky asks how Mousewhisker and Berrynose were. Hazeltail tells him that they were fine.
He is mostly seen around camp and or on patrols. When Sol comes back to ThunderClan, and is led by Brackenfur to go to his nest, some cats, including Mousewhisker, cluster around the camp entrance. Icepaw becomes scared to go to sleep, saying Sol could murder them in their nest. Mousewhisker agrees with her, saying why he didn't know Firestar let Sol stay in their camp.
The next day, Mousewhisker and several other cats crowd around Lionblaze, asking about the journey to find Sol. Mousewhisker asks if he got scared, saying Sol could do anything.Purdy quickly defends Sol, and Mousewhisker jumps back, alarmed by Purdy's fierce protest.
After Honeyfern is killed by a snake, Mousewhisker, Poppyfrost, and Graystripe appear while Lionblaze, Hollyleaf, Spiderleg, Thornclaw are carrying Honeyfern's body to a shady spot that was not far from the warriors' den. Graystripe then orders Mousewhisker to fetch Firestar. He comes back with Firestar, and they are soon joined by others.

In the Omen of the Stars arc

The Fourth Apprentice

Mousewhisker gets his first apprentice, Bumblepaw.
He is seen sharing prey with Spiderleg and Hazeltail and talks about how there isn't much water left in the lake. When Dovepaw talks about some big brown animals blocking the stream, they stop talking, until Lionblaze breaks the silence. Mousewhisker asks her if the brown animals were Twolegs, who had sprouted wings and could fly. Later, he, Hazeltail, and Spiderleg go to the end of the clearing to find a shady spot to sleep in.
Near the end of this book, his brother, Berrynose, has a litter of kits with Poppyfrost, Cherrykit and Molekit, who are now his niece and nephew.

Fading Echoes

Mousewhisker is watching his apprentice Bumblepaw, who is with Briarpaw and Blossompaw before their final assessment. He assesses Briarpaw with Cinderheart.

Night Whispers

After the battle with ShadowClan, Mousewhisker is with Hazeltail who licks his bleeding, ruffled fur.
He is sent to his nest after Jayfeather hears him coughing and is later briefly mentioned by Daisy that Jayfeather sent him to his nest when Dovepaw asked if Cherrykit was sick.

Sign of the Moon

When Mousewhisker is going out of the warriors' den, he is seen wrestling with Brambleclaw. He playfully swipes Brambleclaw, missing Brambleclaw's nose by a mouse-length.

The Forgotten Warrior

When Dovewing returns to camp, Mousewhisker surprises her. He says she could hear really good and wonders why she didn't respond quickly.
Mousewhisker leads a patrol with Toadstep, Icecloud, and Dovewing. He offers to race them and comes out at lead but then Toadstep and Dovewing pull ahead until Dovewing is first, making him third. He notes to Dovewing that Toadstep is very fast. When Dovewing returns with a squirrel that Icecloud pointed out, he praises her, and the patrol heads back to camp.
When Lionblaze's patrol comes back to camp, they see Mousewhisker and Cherrypaw on the ground in pain. No cat knows what has happened to them, until Mousewhisker manages to cough that they had eaten a rotten mouse, and went to eat what they thought was parsley to sooth their stomachs. Leafpool sniffs the foam at their mouths, and states that it was water hemlock that they ate, not parsley. While waiting for Jayfeather to get back to camp, Leafpool holds down Cherrypaw to stop her from flailing, and Lionblaze does the same to Mousewhisker with Foxleap's help. Realizing the danger, Cinderheart, remembering her former life as Cinderpelt, pushes past and gets the correct herbs to treat the poisoned cats. She rubs Mousewhisker's stomach to help him with the herbs, and tells Leafpool to do the same. When Lionblaze ponders on how Cinderheart knows so much, Mousewhisker's sister, Hazeltail, states that she didn't care; as long as she saves Mousewhisker's life. He is saved by Cinderheart, and leans against Foxleap as he goes into the medicine cat's den to be watched over.
Later, when there is a Clan meeting, he is seen coming out of the medicine cat's den with Cherrypaw, both shaky-legged. They sit down near Hazeltail and a few other warriors. When Hollyleaf returns he mentions that they used to be friends but no one knew where she had been from the time she went missing.

The Last Hope

Mousewhisker goes with Birchfall and Ivypool to share battle moves at the WindClan border with Sunstrike, Larkpaw and Harespring. To stop this, Ivypool finds Foxleap and tells him to go to the border. At the border, Ivypool tells Birchfall and Mousewhisker to hide in the bushes when Foxleap and his patrol come. The patrol is angered when they see the WindClan cats at the border. Mousewhisker grumbles and asks why Firestar needed to send out a patrol at this time. He then goes home.
Mousewhisker is now seen to be training in the Dark Forest. He is shocked that Ivypool was a spy, and goes with Birchfall and Blossomfall to the Dark Forest to get ready for the battle. During the battle he is seen hiding under a bush with Birchfall and Blossomfall. He sides with the Clans when Ivypool comes to find them.

In the A Vision of Shadows arc

Thunder and Shadow

Mousewhisker calls to Bramblestar, his fur bristling as his Clanmates gather around him and Cloudtail. The ThunderClan leader asks what’s wrong, and Mousewhisker announces there is a fight inside their border. It turns out its WindClan, and Graystripe asks if it’s an invasion. Mousewhisker swings his head to the tom and says no, they are fighting rogues. Mousewhisker’s patrol couldn’t help the WindClan cats, so came back for help. Bramblestar sends a patrol to help the WindClan cats. Mousewhisker shows the patrol where they are fighting, pulling up first. He scrambles to a halt and looks down the slope to the fight.
Later on, Twigkit overhears Mousewhisker discuss with Rosepetal about her, and if she is truly special as the prophecy seems to say. Mousewhisker yawns with his answer, saying that for a special cat, she seems ordinary. He seems to agree with Rosepetal’s misgivings, asking if she was special if StarClan would have sent more signs. His nest rustles as he comments that he knows they were found in shadows, but it doesn’t seem enough to make her special. Rosepetal suggests that the prophecy meant something else, and Mousewhisker decides that Twigkit and Violetkit were just a coincidence. Twigkit decides to go outside camp and prove her worth, so Mousewhisker and Rosepetal would be embarrassed they ever suggested she wasn’t special. Later on as her plan fails, she remembers again what Mousewhisker and Rosepetal said about her.

Shattered Sky

When Cinderheart asks what would happen if the Clans ceased to exist soon, Mousewhisker exclaims that will never happen.

River of Fire

Mousewhisker is mentioned by Bramblestar to have received Plumstone as an apprentice.

In The Broken Code arc

Lost Stars

Mousewhisker leads a patrol consisting of Berrynose, Snaptooth and Bristlefrost. As Bristlefrost catches a rabbit and Snaptooth suggests showing it to Mousewhisker and Berrynose. As the duo find them, they realize that they are just chatting instead of hunting, to which Snaptooth calls them lazy. Bristlefrost overhears the conversation between the two, and realizes they are discussing Bramblestar's sickness. After Snaptooth accidentally sneezes and alerts the two, Bristlefrost places the rabbit at Mousewhisker's paws, and receives praise from Mousewhisker.

The Silent Thaw

He is now mentor to Baypaw. Baypaw asks when they are going out to train, but Mousewhisker replies he wants to wait for Squirrelflight to see if she wanted them to do something else. However, she fails to appear, and Mousewhisker takes his apprentice out training and Lilyheart, Cinderheart and their apprentices join them. Later, Thornclaw leads the dawn patrol with Mousewhisker, Lionblaze and Birchfall.

Veil of Shadows

Coming Soon

In the Super Editions

Crowfeather's Trial

When ThunderClan and WindClan join forces to drive out the stoats, Mousewhisker and Rosepetal exchange a scornful look, and Rosepetal murmurs that she can't imagine how WindClan was defeated by animals so much smaller than them, and Mousewhisker agrees. Squirrelflight catches them and orders them to hold their tongues. He and Birchfall organize fighters to spring out and attack the stoats. During the battle, Mousewhisker slashes a stoat that had pushed Emberfoot down, and together the two warriors drive it back.

Bramblestar's Storm

Mousewhisker first appears when he is going on a hunting patrol to the ShadowClan border with Brightheart, Millie, and Dovewing.
He is next shown when his patrol comes back from camp after scenting ShadowClan inside their borders. He is seen to be very angry and Bramblestar suspects him as he trained in the Dark Forest. Bramblestar denies the thought and tells himself that Mousewhisker is young and hot headed. When Mousewhisker challenges Bramblestar again, his niece, Cherryfall, stands up for Bramblestar and shoves Mousewhisker, telling him to show respect.
As Bramblestar's patrol comes back, he is one of the many cats to confront them, demanding what Blackstar had to say for himself. Bumblestripe decides to lead a patrol out to hunt prey when the wind is very strong. Mousewhisker comes along as does Cherryfall and Bramblestar. When Cherryfall is shocked about Leafpool and Jayfeather's herbs being ruined, he reassures her, telling her that the two medicine cats would fix it when the wind stopped.
When Cherryfall is stuck hanging on a branch near the Abandoned Twoleg nest, Mousewhisker is told to climb up and fetch her. As he reached her and tried to help her up, he brushed her accidentally and she falls. Cherryfall lands on Bramblestar and he is seen asking her if she is okay, apologizing for letting her fall. Bramblestar tells Mousewhisker and Bumblestripe to find the mouse Cherryfall had been hunting.
Although not mentioned by name, Bramblestar remembers the badger attack where Squirrelflight, Brightheart, and Cloudtail had to rescue Daisy and her kits from the badger attack. When the cats have to evacuate the hollow due to the flood, Berrynose and him are waiting at the bottom of the path, their claws working impatiently as they waited. Bramblestar nods to them and they both vanish up the path to safety with no trouble. After evacuating the Clan and they are in the tunnels, Daisy asks him and Rosepetal to help her find dry moss.
The gray and white tom is sent on a hunting patrol with Sandstorm and Brightheart. Rosepetal later warns Bramblestar that there are ShadowClan cats coming and he takes Mousewhisker and Lionblaze with him to investigate. It was stated that he had begun to start coughing, and may be developing whitecough along with Sandstorm and Amberpaw.
He is seen helping Cherryfall drag branches to help the "new camp" with Brackenfur and Dustpelt supervising. He is then seen being organized into a hunting patrol by Squirrelflight with Dovewing and Thornclaw. Cherryfall announces that she, Mousewhisker, Brackenfur, and Dustpelt all managed to help build a few dens for cats to sleep in.
When Squirrelflight comes back from a hunting patrol, she drops her prey at Mousewhisker's paws and hurries after Bramblestar to check the water levels.
Bramblestar calls a Clan meeting to tell the Clan about him forming a patrol to chase off rogue kittypets that were invading ShadowClan, Mousewhisker reacts negatively and demands to know why can't ShadowClan chase out kittypets. When Squirrelflight voices her opinion, Mousewhisker's vote changes and he realizes it's a good idea, yowling along with his Clanmates.
As Bramblestar is attacked by a fox, Mousewhisker's patrol races into the clearing to help, but the fox has already gone. Bramblestar tells him to take his patrol and follow it. When Bramblestar and Cloudtail announce to the Clan that the water is going down, Mousewhisker was the first cat to leap to his paws and charge out of the tunnels to go see it for himself. He is seen going on a patrol to check the WindClan border with Cloudtail leading, along with Berrynose and Birchfall. When Squirrelflight is organizing cats into groups to prepare them for the badger battle, Mousewhisker grumbles about why they're even doing this when it's ShadowClan's problem. Squirrelflight retorts that she's his problem so he should get on with it.
In the badger battle, he is seen fighting a badger beside Stoatfur of ShadowClan. He is seen inspecting the dens with Cherryfall and Brackenfur when they return to their original camp. He is then told to help with the dens along with Cherryfall and Brackenfur. The last time he is seen, is after Bramblestar gets back from taking Minty home, Mousewhisker passes him some dry bracken to scrape the mud off his pelt, claiming that if he sees anymore mud he'll turn into a heap of earth.

Squirrelflight's Hope

Flippaw explains how Mousewhisker caught a weasel earlier that day and Squirrelflight visits him in the medicine cat's den. Leafpool is attending to his scratches and Squirrelflight asks him if he caught it on the moorland. Mousewhisker replies no and momentarily forgets that ThunderClan owns territory there now. He mentions his belief that hunting in the wind makes WindClan cats small, though Squirrelflight doesn't follow his logic. Squirrelflight asks if he's ever hunting in the northern part of the territory, and Mousewhisker explains he's detected a few strange cat scents there but very little danger there.
While on a patrol with Larksong, Blossomfall, and Squirrelflight, they run into Sisters with an injured Sunrise hoping ThunderClan will heal her. He is hesitant about helping them, but agrees to help her. He argues that ThunderClan can't let a cat die no matter how much Tigerstar may bully them. Bramblestar orders Blossomfall to take Hollytuft and Mousewhisker hunting while they wait for a message from StarClan.
He later agrees trouble started when the Sisters showed up and accuses Squirrelflight of being too fond of them. He volunteers to join the patrol to chase the Sisters out, and Twigbranch agrees to stop the battle with the help of Blossomfall and Mousewhisker.

In the Novellas

Leafpool's Wish

Mousekit is with his mother Daisy and his siblings Berrykit and Hazelkit. When Berrykit races out of the nursery to demonstrate a fighting move to Brackenfur, Daisy, Mousekit, and Hazelkit poke their heads out to see what is going on. Daisy scolds Berrykit for bothering the warrior, and then, believing that it is too cold for them to be outside, ushers Mousekit and his littermates back into the den. Later that day, the three kits go back out to play. They line up in the center of the clearing and take turns pouncing on a stick, pretending it to be a ShadowClan warrior. When it is Mousekit's turn, he pounces upon it, growling that he had gotten his enemy and baring his teeth at the stick.

Dovewing's Silence

After Dustpelt tells Birchfall he cannot assist in Ferncloud's burial, he stalks back to his den and is followed by the other Dark Forest trainees, Mousewhisker, Thornclaw, and Blossomfall. At the burial procession, Dovewing notices he and the other three Dark Forest trainees aren't there. Ivypool replies they aren't there because they know they won't be welcomed, and are considered traitors by the Clan. When the Clan returns from the burial, it is noted that they went hunting. Bramblestar returns from his leadership ceremony and narrows his eyes at Mousewhisker and the others when he sees them sitting off from other cats. It is also mentioned that they had been sleeping off by the elders' den instead of the warriors' den.
He and the other Dark Forest trainees attend the meeting in which their punishment is decided. He, Blossomfall, and Thornclaw bring up the rear of the patrol. When it is time for them to take the oath in front of the Clan, Mousewhisker crouches at the side of the cats with the other Dark Forest trainees. Birchfall starts speaking the oath, and the rest of them follow.
After Poppyfrost rejects Birchfall's offer to join her patrol, Dovewing invites him and all the other Dark Forest cats, including Mousewhisker, to join her patrol. They start out hunting, but then Cherrypaw and Molepaw tell them about a fox, and they decide to take it on.
Mousewhisker bounds up a ledge, calling that they can't let the fox get too far into the territory. Dovewing calls for the patrol to listen for the fox first, and Mousewhisker skids to a stop. The patrol finds the fox, which is caught in a trap, and fight it. Mousewhisker and Blossomfall claw its ears. Later in the fight, he and Thornclaw claw its legs. When the fox collapses on the ground, they just manage to jump clear.
When they return to camp, Bramblestar calls a Clan meeting and summons him and the other Dark Forest cats to the front. Mousewhisker and Birchfall are said to be missing clumps of fur. Bramblestar speaks of their bravery, and the ThunderClan cats forgive him and the others.

In the Field Guides

Battles of the Clans

Bumblepaw mentions that Mousewhisker and Thornclaw just taught him ThunderClan's special Lightning Strike technique.
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