Let us be honest anime rat characters are rarely just rats.
A tiny squeaky creature shows up, steals a scene, and the fandom immediately yells RAT, even when the character is technically a hamster, a dormouse, or in one famous case an Electric Mouse Pokemon.
So this is not a biology textbook.
It is a ranking of the most memorable anime rats and rodent characters, cute, chaotic, and occasionally heartbreaking, with each one’s species labeled plainly.
Fair warning: it turns out most of the famous anime rats are secretly hamsters, lol
The Most Memorable Anime Rat and Rodent Characters, Ranked
Dai (Spellbound! Magical Princess Lilpri)
Dai is the responsible little mentor of the magical-girl team in the magical-girl series Spellbound! Magical Princess Lilpri. Technically he is a dormouse rather than a rat, but he fills the classic small-furry-mascot role, nudging the girls back on track whenever the plot gets distracted by sparkles.
- Appears in: Spellbound! Magical Princess Lilpri
- Species: a dormouse, not a rat
- Known for: keeping a magical-girl trio focused
Regent (Yankee Hamster)
Regent is the loud, gutsy leader of a hamster trio in Yankee Hamster, a surprisingly long-running comedy where he and his two ride-or-die pals basically do whatever they please. His whole appeal is that upfront, no-fear attitude packed into a tiny, fluffy body.
- Appears in: Yankee Hamster
- Species: a hamster
- Known for: leading a trio of do-whatever-they-want rodents
Ebichu (Oruchuban Ebichu)
Ebichu is the hardworking housekeeping hamster of Oruchuban Ebichu, and she comes with a firm content warning. The show pairs an adorable little rodent with crude, very adult humor, and that jarring contrast is the entire joke. She stays devoted and earnest while constantly getting put through the wringer.
- Appears in: Oruchuban Ebichu
- Species: a hamster
- Known for: sweet looks paired with raunchy adult comedy
Hamsuke (Overlord)
Hamsuke is the giant hamster of Overlord, known across the land as the fearsome Wise King of the Forest, right up until Ainz reveals she is basically a big, cute rodent. Proud of her lineage and weirdly noble, she pledges her loyalty to Ainz and becomes one of the show’s more charming companions.
- Appears in: Overlord
- Species: a giant Djungarian hamster
- Known for: a legendary reputation attached to an adorable body
Yuki Sohma (Fruits Basket)
Yuki Sohma is the emotional heavyweight here, and the only true rat on the list, with an asterisk: he is a person cursed to transform into the zodiac rat in Fruits Basket. People call him the Prince Charming of the show, but his rat form is really about isolation, shame, and slowly learning to let people in.
- Appears in: Fruits Basket
- Species: a human cursed to become the zodiac rat
- Known for: quiet pain hidden behind a princely image
Hamtaro (Hamtaro)
Hamtaro is pure comfort viewing, and the most iconic rodent on this whole list by a mile. The little hamster and his Ham-Ham friends get into tiny adventures where the stakes are never world-ending, just friendship-ending or snack-ending. Sometimes that gentle, low-stakes charm is exactly what you need.
- Appears in: Hamtaro
- Species: a hamster
- Known for: wholesome, nostalgic kids’ rodent adventures
My Quick Anime-Rodent Takeaway
Only true rat: Yuki Sohma
Biggest rodent: Hamsuke
Most adult: Ebichu (18+)
Anime Rat Characters
Are there any real rats in anime? Surprisingly few. Yuki Sohma from Fruits Basket is the closest on this list, and even he is a human who transforms into the zodiac rat. Most so-called anime rats are really hamsters.
Is Pikachu a rat? Not quite. Pikachu is officially an Electric Mouse Pokemon, so he is a mouse rather than a rat, though fans argue about it endlessly.
What is the most famous anime rodent? Hamtaro, the hamster whose show ran for years and defined the cute-rodent-anime genre for an entire generation.
What is the difference between a rat, a hamster, and a dormouse? They are all rodents, but hamsters are stout with short tails, rats are larger with long tails, and dormice are tiny with fluffy tails. Anime tends to blur all three together.
So most famous anime rats are hamsters, one is a dormouse, and the only real rat is a cursed teenage boy.
Anime is just like that.
Which rodent is your favorite, and did I mislabel anyone?
Let me know in the comments.
THE ZODIAC RATS (SPIRITS OF THE SOUMA & OTHERS) 🐀⛩️
1. Yuki Sohma (Fruits Basket)
– Role: The Rat of the Chinese Zodiac. Elegant, popular (“Prince Yuki”), but hates his rat form because it makes him weak/sickly.
2. Nezumi (Juuni Taisen: Zodiac War)
– Role: Warrior of the Rat. A cynical high schooler whose power is “The Hundred Paths of Nezumi” (probability calculation).
3. Chu-Tan (Etotama)
– Role: The Rat Zodiac God. The main antagonist who is obsessive and merciless towards the Cat.
4. Rat (Juni Taisen)
– Listed above as Nezumi (Japanese for Rat).
THE MONSTERS & BEASTS (DANGEROUS RODENTS) 🦷⚠️
5. Rattata (Pokémon)
– Role: The classic purple rat. “Top Percentage” memes apply.
6. Raticate (Pokémon)
– Role: The evolved, angrier rat with giant incisors.
7. Alolan Rattata/Raticate (Pokémon)
– Role: The dark/normal type mafia rats with mustaches.
8. Tyrogue? No.
– **Pichu/Pikachu/Raichu** are Mice.
– **Sandshrew** is a shrew/pangolin.
– **Patrat** (Pokémon) – The lookout rat/chipmunk.
9. Nezumi (One Piece – Marine Captain)
– Role: A corrupt Marine Captain who looks like a rat (whiskers/ears) and takes bribes.
10. Mr. 3’s Candle Service? No.
– **Mousie** (One Piece – Live Action/Anime filler)
11. The Rat (Cowboy Bebop)
– Featured in “Sympathy for the Devil” – A minor metaphor or nickname.
12. Giant Rats (Goblin Slayer)
– Role: Low-level monsters that the party kills in sewers.
13. Matango (Dr. Stone)? No.
– **Chalk** (Dr. Stone) is a dog.
– **Suika** curls into a ball?
– *Correction:* **Why-man** is not a rat.
THE MASCOTS & PETS (CUTE OR WEIRD) 🧀🐾
14. Yuki (The Cat Returns)
– Wait, Yuki is a white cat.
– **Toto** is a bird.
– *Correction:* **Muta** eats everything.
15. Hamtaro (Hamtaro)
– Role: Technically a Hamster, but often grouped in “Rodent” lists.
16. Oruchuban Ebichu (Ebichu)
– Role: A hamster, but notoriously “rat-like” in mischief and adult humor.
17. Ganma (Naruto)
– A summon toad? No.
– **Daikoku** (Noragami) loves pinky mice?
18. Tesso (Nura: Rise of the Yokai Clan)
– Role: The Iron Rat yokai. A monk turned into a rat demon.
19. Chuu (Yu Yu Hakusho)
– Role: The Ogre with the mohawk? No, his name sounds like a squeak, but he’s an ogre.
THE SHAPESHIFTERS & NICKNAMES 🕵️♂️🐁
20. Nezumi (No. 6)
– Role: One of the main protagonists. His name literally means “Rat.” He is agile, cynical, and survives in the underground.
21. Mouse (Mouse)
– Role: Sorata Muon, a thief who goes by the codename “Mouse.” Features a harem of assistants.
22. Kurama (Kamisama Kiss)
– He is a Tengu (Crow).
– **Mizuki** is a snake.
– *Correction:* The **shikigami** used by various characters are often paper rats.
23. The Rats in “Spirited Away”
– The **Boh Mouse** (Baby turned into a fat mouse by Yubaba’s sister). Iconic chubby mouse design.
24. Dororo (Dororo)
– Often scampers around like a rat and steals, nicknamed as such by bandits.