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Animal Hospital Characters: Full List, Lore & New Character Rumors

July 15, 2026 Sagi
Roblox Animal Hospital Characters screenshot of Ratthew talking in game

TL;DR Roblox Animal Hospital Anomaly is a multiplayer survival-horror hit on Roblox that’s pulled in over 700,000+ players this July. Why are characters in this game like Ratthew, Dr. Harlow, and Barney driving such a passionate fandom? This guide covers who they are, then walks through making your own versions of Animal Hospital characters in Redbean.

Redbean is a free Animal Hospital OC maker for recreating Ratthew, Dr. Harlow, Barney, and the rest of the Roblox Animal Hospital characters as your own pixel characters, ones you can customize, drop into your own story, and talk to directly on mobile.

Screenshot of an NPC conversation between Anomaly Animal Hospital characters recreated in Redbean

Read more: Redbean – A cozy world with your own characters and your own stories

What Is Roblox Animal Hospital? How To Play It on Mobile? #

Animal Hospital Anomaly launched on May 10, 2026 and quickly became one of Roblox’s biggest horror hits within two months. It runs on PC (Windows and macOS), consoles, and mobile (iOS and Android). To play on your phone, install Roblox first and search for “Animal Hospital” from Animal Anomaly (not other copycat games).

Gameplay centers on check-in duty during a night shift at a veterinary clinic: you guide animal patients to the correct treatment, but some are secretly anomalies, and missing the signs can trigger a haunting that ends your shift. Surviving pays out campaign money plus permanent Animal Coins to buy ten Classes in-game.

Dr. Harlow, Ron from Accounting, Ratthew, and Barney, the main Roblox Animal Hospital characters
Animal Hospital characters from left to right: Dr. Harlow, Ron from Accounting, Ratthew, Barney

Its story later reveals a shocking truth about their corporate employer: they’re deliberately infecting animal patients to transform them into lucrative, monstrous anomalies. Assisted by game characters and NPCs, the player must gather evidence to expose the company’s dark experiments and survive the night.

Meet Animal Hospital Characters: Ratthew, Dr. Harlow, Ron and Others #

Ratthew #

Roblox Animal Hospital Anomaly Ratthew is walking, a pixel character created by Redbean user

Animal Hospital Ratthew (a portmanteau of “rat” and “Matthew”) is a small black rat with a white snout, large white buckteeth, and a curled pink tail. Paranoid but kind-hearted, he acts as a sincere and trustworthy assistant who always warns players of anomalies, unlike other characters who only appear to make demands. His backstory stays vague, centered on a missing twin sister, Rattina, and fans keep arguing over what he’s really hiding.

Dr. Harlow #

Dr. Harlow is a light-orange, deer-like doctor in blue scrubs and a white coat, recognizable by his stethoscope, head mirror, and the black suitcase. He plays as a calm supervisor, grading your performance after each shift and unlocking new areas as you progress. While initially seen as a helpful character, later lore reveals his connection to a darker secret fans keep speculating.

Pixel character of Roblox Animal Hospital Dr. Harlow walking in his blue scrubs and white coat

Ron from Accounting #

Ron from Accounting, a blue bunny pixel character recreated in Redbean

Ron from Accounting is one of the most-loved Animal Hospital characters: a blue bunny with short, wooped-back brown hair. Working for Animal Corporation, he knows about the hospital’s anomalies and casually leaks company secrets, while remaining calm and pragmatic, with a briefcase marked “TOP SECRET” in hand. Constant headaches keep him complaining, and his suspicious relationship with Ratthew ties back to the hospital’s cover-up.

Barney #

Barney appears as a white rabbit with a mustache and black slit eyes, his anomaly form swaps that for a sharp-toothed mouth and hollow black eyes. He is a serial killer who randomly walks up and friendly asks for a cup of coffee, then turns demanding and threatening if refused. Roblox Animal Hospital rewards mercy here: hide Barney instead of reporting him to Officer Duckman, and he’ll hand you an extra coffee machine.

Barney the white rabbit from Animal Hospital in idle mode, created by a Redbean user

Officer Duckman #

Officer Duckman in side walk mode, the duck-like Roblox Animal Hospital character

Officer Duckman is a minor Roblox Animal Hospital character: a black duck-like figure in a blue shirt who shows up at reception after Shift 6 hunting Barney. Little is known about his background beyond that job. Turn Barney in, and Duckman shouts for you to arrest him, no reward included, just a reminder to keep reporting suspicious activity as your shift continues.

Liz #

Liz shows up later in the game (shift 11-12) and reveals more game lore. She is a light-brown fur caracal and disgraced former news reporter. Exaggerative and energetic, she was fired from Animal Corp for reporting on the Anomaly infection, which the corporation dismissed as “fake news”. She asks the player to help prove it, using a special UV camera on specific patients.

Liz, the disgraced former news reporter character from Roblox Animal Hospital, created in Redbean

Rattina #

Rattina from Animal Hospital, recreated as a pixel character in Redbean

Rattina is Ratthew’s missing twin sister and looks almost identical to him, except for a pink bow on her ear. She never physically appears in the game as an NPC, but remains a central lore character in Roblox Animal Hospital as the Animal Corporation employee who mysteriously disappeared. Players must collect keys from Ratthew to uncover Rattina’s hidden photo and secret, which reveal she was part of an experiment and transformed into ‘The Stalker‘ (based on fan theories).

Other Roblox Animal Hospital characters #

The rest of the cast takes on different roles in the hospital and contributes to Roblox Animal Hospital’s unique appeal, such as Shopkeeper Nurse who runs the Supplies shop, News Bunny – a news reporter who appears on the television during Shift 4, and Sam who helps player clean slime, get rid of Hiders and put out room fires. The game also features multiple charming characters as Classes with distinctive appearances and special abilities that help players survive, such as Secretary, Head Nurse or Secret Agent.

Build Your Own AH-Inspired World in Redbean #

Redbean is a mobile sandbox (free-to-play, optional IAP) that blends character creation, social interaction, and story-driven play. Once you’ve got these Animal Hospital characters and their lore down, Redbean lets you take it further: recreate them yourself and create your own version of their story that isn’t limited to what the game scripts.

Recreate the AH characters #

Turn a screenshot, an image reference, or your own sketch of Ratthew or Dr. Harlow into an interactive pixel character in Redbean. You write their persona, speaking style, and backstory yourself, then set their connection – so a paranoid rat Ratthew, a serial killer Barney, or a clumsy police officer Duckman can carry the tension you want between them, and act in-character as you’ve defined them to be.

Read more: Build your own version of The Amazing Digital Circus in Redbean

Create your own version of Animal Hospital World #

Your favorite Animal Hospital Roblox characters can live outside of Roblox. You can drop your own pixel version of Ratthew, Barney and Ron into a playable pixel town where you can talk to them directly, roleplay with them or build a multiverse where they can play around with characters from completely different fandoms. Specifically, Redbean lets you:

🏠 Decorate and customize your town with different themes, items and styles.

💬 Social interaction: Every character & NPC is yours. Define their persona and lore. Talk freely, build relationships with them, and let the story unfold through the conversations.

📖 Story-driven play: write your own town lore, build dynamic storytelling where your choices steer the fate of your characters and the town. No fixed plot, no conversation cap.

@meme.vibecoding

Ratthew is the best in Animal Hospital, so OF COURSE I had to add him to my pixel town on Redbean!! GAME NAME: REDBEAN @Redbean #animalhospital #ratthew #multifandom #mobilegame #redbeantown

♬ CALL THE DOCTOR – PISSGOBLIN & DEV & The Cataracs

Redbean is not a licensed Animal Hospital game, so it will not reproduce the Sanity meter, the anomaly-hunting, or the Classes system that make the original gameplay work. What it gives you instead is everything after the shift, a place where you have Ratthew or Dr. Harlow keep existing, talking, and building a story of your own.

Frequently Asked Questions About Roblox Animal Hospital Anomaly #

Is Roblox Animal Hospital free on mobile? #

Yes. The game runs on both iOS and Android, and you need a Roblox account to play the game. This game is completely free to play on Roblox (which is also free to download). Optional in-game purchases are available using Robux (Roblox’s currency).

Can I play Animal Hospital without Roblox? #

No. Animal Hospital is a Roblox experience, so it requires the Roblox app or platform account to play, though Roblox itself is available on PC, consoles, and mobile.

Is Roblox Animal Hospital a role-playing game? #

No. Roblox Animal Hospital is a survival horror game inspired by titles like Scary Shawarma Kiosk and Dandy’s World, with “spot the anomaly” puzzle gameplay – you check in animal patients and spot disguised monsters (like the Skinwalker or Stalker) before they attack you. It’s also a multiplayer game where you can team up with friends, though you can experience its secrets on your own. If you want to actually roleplay as these characters — holding conversations, directing the story — Redbean lets you do that with any of Animal Hospital cast.

Beginner tips on how to play Roblox Animal Hospital Anomaly #

Here are some Roblox Animal Hospital practical gameplay tips to help you manage sanity, detect anomalies and deal with NPCs:

  • Grab coffee at the start of every shift (refills ~3 minutes); take 2 sips before handing it to NPCs who need it (e.g Barney) to keep your Sanity buff, and coffee can also extinguish candles during rituals.
  • Revolvers, tasers, and fire extinguishers can handle most anomalies; extinguishers also clear slime fast and reveal invisible ghosts (but cannot kill), and you can give the wrong medicine to kill anomaly patients instead of refusing them.
  • Carefully inspect eyes, ears, face, and seizures—small differences often reveal anomalies, even patients on fire. Black eyes or abnormal seizures = guaranteed anomaly; confirm before inspecting, since a cursed shot costs -10 Sanity.
  • Some disguises (like Walker) are extremely convincing, so monitor suspicious behavior rather than appearance alone.
  • Specific anomalies need specific counters: syrup or organs for the under-the-bed monster, coffee for the head-banging one, and ignoring ceiling eyes.
  • Always help Barney instead of reporting him for a reward (a coffee machine).

Is Animal Hospital Ratthew an anomaly? #

No. Ratthew is not an anomaly, even though he sometimes behaves strangely and his prolonged eye contact with the camera reads as unsettling. Among main Animal Hospital characters, Barney is an anomaly, but he’s harmless to players. You can find instructions on detecting anomalies in the game here.

What is the relationship between Ratthew and Rattina? #

They are twin rat siblings in the game. Rattina worked for the Animal Corporation before vanishing without explanation, and Ratthew is on a quest to find her, which is tied to an unresolved mystery that fans are still theorizing about.

How can I recreate Ratthew or Dr. Harlow as my own character in Redbean? #

Your own pixel character of Ratthew, Dr. Harlow, Barney or any other favorite can be recreated in Redbean just from a reference photo or image, or even your own sketch. For character detail, you define bio, persona, backstory, and relationships with other characters. For a step-by-step guide, see our Animal Hospital OC Maker guide in Redbean.

What is Redbean? What kind of characters can I create in Redbean? #

Redbean is a mobile sandbox that lets you create your original characters or recreate your favorite fictional characters from fandoms you love, then build your playable pixel world with just a few words. In Redbean, your characters can become ‘alive’ in your own world – in the sense that they can move around, have context awareness, and react dynamically to your own storyline. Check our character gallery for inspiration with OCs made by Redbean users.

NPC conversation in Redbean between original characters and fandom characters
redbean character gallery featuring original characters and fandom characters made by community

Redbean uses AI-powered tools to help players create their characters and stories. The characters, world, and storylines are yours — shaped by what you write and the choices you make.

Sagi

Sagi