Animal Hospital Characters
13 named characters in the game. Know who is friend and who is foe before your shift starts.
Barney
Antagonist / Serial Killer Boss
Ratthew
Friendly NPC / Key Source
Officer Duckman
Ally / Police Officer
Dr. Harlow
Hospital Doctor / Story NPC
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Lisbeth (Liz)
Lore Informant / UV Camera Quest NPC
Sam
Temporary Hazmat Cleanup Worker
Ron from Accounting
Animal Corporation Management / Lore NPC
Shopkeeper Nurse
Supplies Shop Attendant
Lobby Cat
Lobby Character
Lobby Bunny
Lobby Character
News Bunny
Minor News Character
Rattina
Missing Character / Lore Clue
Hazmat Suit NPCs
Animal Corp. Hazmat Cleanup Team
Character Reference
| Character | Species | Role | Hostile? | Key action |
|---|---|---|---|---|
| Barney | White Rabbit | Antagonist / Serial Killer Boss | Yes | Avoid / follow story choices carefully |
| Ratthew | Mouse | Friendly NPC / Key Source | No | Trust — they are allies |
| Officer Duckman | Black Duck | Ally / Police Officer | No | Trust — they are allies |
| Dr. Harlow | Giraffe | Hospital Doctor / Story NPC | No | Trust — they are allies |
| Lisbeth (Liz) | Unknown | Lore Informant / UV Camera Quest NPC | No | Trust — they are allies |
| Sam | Calico Cat | Temporary Hazmat Cleanup Worker | No | Trust — they are allies |
| Ron from Accounting | Lop Bunny | Animal Corporation Management / Lore NPC | No | Trust — they are allies |
| Shopkeeper Nurse | Animal | Supplies Shop Attendant | No | Trust — they are allies |
| Lobby Cat | Cat | Lobby Character | No | Trust — they are allies |
| Lobby Bunny | Bunny | Lobby Character | No | Trust — they are allies |
| News Bunny | Bunny | Minor News Character | No | Trust — they are allies |
| Rattina | Rat | Missing Character / Lore Clue | No | Trust — they are allies |
| Hazmat Suit NPCs | Unknown | Animal Corp. Hazmat Cleanup Team | No | Trust — they are allies |
Decoys and False Red Flags
Not everything unusual is an anomaly. New players commonly mistake these for threats:
- Ratthew scurrying across the floor — he is a friendly mouse, not an anomaly or enemy. If he appears during late-game key routing, treat it as a clue for the Room 5 safe instead of a threat.
- Slime on the floor — environmental detail, not a threat indicator.
- Fire in an occupied room — this is an event, not an anomaly. Handle it as an emergency, not a rejection.
Summary Comparison
| Character | Gameplay role | Main misread risk | Best next action |
|---|---|---|---|
| Barney | Primary story threat | Assuming early friendliness means safety | Treat him as a story decision point |
| Ratthew | Friendly clue character | Rejecting normal situations because he appears nearby | Use him as a clue reference, not a danger signal |
| Officer Duckman | Ally and investigator | Ignoring his dialogue as background flavor | Read him as a guidance source, not a combat problem |
| Dr. Harlow | Hospital doctor and dialogue NPC | Treating a named NPC like a normal patient check | Listen to the updated dialogue and Mint Tea interaction |
| Lisbeth (Liz) | Lore informant and quest giver | Wasting the single UV Camera shot | Wait for the named target at check-in |
| Sam | Temporary cleanup worker | Expecting Sam to stay permanently | Hire Sam for three shifts after a Slime Shift if needed |
| Hazmat Suit NPCs | Animal Corp. cleanup team | Treating cleanup staff as patients or enemies | Stamp the containment form and let them handle slime |
Final recommendation
Use the character page to keep story cues from becoming gameplay mistakes. Named NPCs are valuable because they tell you how the world is changing, but that only helps if you separate allies, antagonists, and clue carriers instead of treating every unusual figure like an immediate threat.
Character FAQ
How do I find Sam in Animal Hospital?
Complete the first Slime Shift, which can occur between Shifts 11 and 24, then watch the check-in window. Sam costs $250 to hire and works for three shifts.
Is Barney always hostile?
Barney is the primary antagonist — a serial killer masquerading as a doctor. He may appear friendly in early encounters, but his true nature reveals itself through escalating requests and demands. Your responses to Barney determine which of the two endings you get. He becomes openly hostile in later shifts.
Is Ratthew an anomaly?
No. Ratthew is a friendly mouse NPC who scurries through the hospital. He is still the most common "false red flag" for beginners, but recent guide findings also connect him to a late-game key used on the Room 5 hidden safe and the Rattina / Top Secret clue chain.
Who is Officer Duckman?
Officer Duckman is a duck police officer and ally. He is investigating Barney and provides the player with information about the hospital's dark secrets during key story moments. He is never hostile and his dialogue often contains valuable clues.
How many times do I encounter Barney?
Barney appears multiple times across shifts, with each encounter escalating in intensity. Early encounters may be brief conversations; later ones involve direct threats and demands. How you respond to each encounter affects which ending you receive at the end of the game.
What happens if I anger Barney?
Hostile responses to Barney accelerate his aggression and can trigger earlier boss encounters. Some players intentionally antagonize him for a more intense experience; others appease him to delay confrontation. Both paths lead to different endings — there is no "wrong" choice, just different story outcomes.
Which new characters were added in the recent updates?
Dr. Harlow received a new model, waiting-area dialogue, and Mint Tea interactions. Lisbeth (Liz) is the lore character connected to the UV Camera quest, while Sam and the Hazmat Suit NPCs are the recurring and minor cleanup characters from the Hazmat update.
How does Lisbeth's UV Camera quest work?
Accept Lisbeth's task, keep the special camera, and wait for the requested target to stand at the check-in window. The camera has one usable shot, so firing early or at the wrong patient fails that encounter.
Which Animal Hospital characters are recurring?
The recurring character group includes Dr. Harlow, Barney, Ratthew, Ron from Accounting, Lisbeth (Liz), and Sam. Officer Duckman, Hazmat Suit NPCs, and the lobby, shop, news, and Rattina entries are minor or situation-specific characters.
Related Guides
Enemies
More roaming threats beyond named NPCs.
Anomaly List
Characters may interact with anomaly events.
Beginner Guide
How to handle encounters during shifts.
Ending Guide
How Barney choices connect to the story route.
Events
Emergency situations involving characters.
Ratthew Key
Room 5 safe clue and the Rattina story link.