Ratthew is a recurring rat patient whose storyline points toward stolen documents, government secrecy, Rattina’s disappearance, and a hidden Room 5 safe opened with Ratthew’s Key.
On the surface, Ratthew looks like just another small patient you patch up between shifts in Animal Hospital on Roblox. Talk to him across a few visits, though, and his story stitches together some of the game’s biggest threads — chewed-up paperwork in accounting, a government secret, a missing twin, and a locked safe hiding behind a poster. Here is who he is, what his lore actually points to, and the mistakes that keep players from ever seeing the payoff.
Who Ratthew is in Animal Hospital
Ratthew is a small black anthropomorphic rat with a white snout, two white buck teeth, and a long curled pink tail — the smallest character you’ll meet at the hospital, and easy to write off at first. He usually starts appearing around your third shift, and the important thing is that he keeps coming back rather than showing up once and vanishing.
The story clues Ratthew reveals over multiple visits
| Clue | What it suggests |
|---|---|
| Chewed-up documents in Ron from Accounting’s office | The papers may have held information that wasn’t meant to be discovered |
| Distrust of the other animals | Ratthew is isolated and feels watched inside the hospital |
| Insists he’s normal despite anomaly suspicion | Others treat him as an anomaly; he denies it, and the game leaves it open |
| A government secret he uncovered | He believes he’s being hunted, forcing him into hiding |
| Searching for his twin sister Rattina | She worked for Animal Corporation and vanished without explanation |
Ratthew’s lore lands in pieces, and each piece nudges his arc from “odd little patient” toward “person the game is actively hiding something around.” The first hint comes secondhand: Ron from Accounting complains that Ratthew chewed up several important documents in his office. It reads like a throwaway joke until later conversations imply those papers held information that was never supposed to surface.
From there it gets heavier. Ratthew admits he doesn’t trust most of the other animals, and the feeling is mutual — many of them are convinced he’s an anomaly, even as he insists he’s completely normal. He eventually tells you he uncovered something the government wanted buried, and believes he’s being hunted for it, which is why he has to disappear for a while. Threaded through all of it is his search for his twin sister, Rattina.
The stolen documents aren’t just flavor text — they lead to a physical reward. After the final successful shift in his storyline, Ratthew leaves the reception counter and drops a note along with Ratthew’s Key. The note explains he lifted the key from one of the doctors while they were distracted, so it was never meant for public hands. From there you head down the main patient hallway to Room 5, at the far back on the right, break the cat poster on the far wall, and use the key on the safe hidden behind it.
Inside is a top secret suitcase that looks almost identical to the one carried by Ron from Accounting. That resemblance is what ties Ratthew’s little theft into the bigger picture: Ron’s storyline circles Animal Corporation, the anomaly outbreaks, and classified government-related documents, so the matching case suggests Ratthew stumbled onto the same cover-up. The exact contents of the suitcase are never fully spelled out in-game, so treat it as the game confirming a corporate-government conspiracy exists rather than handing you the full file on it.
Keep Ratthew alive and fully treated on every visit — if he dies during an anomaly shift, the note and key never drop and the Room 5 safe stays locked.
Mistakes that hide the Room 5 secret
| Mistake | Fix |
|---|---|
| Letting Ratthew die during anomaly shifts | Prioritize his treatment and shield him from threats so the key can appear |
| Leaving the shift before checking the counter | Grab the dropped note and key after his final visit |
| Searching Room 3 or Room 4 | Go to Room 5, far right at the back of the hallway |
| Ignoring the cat poster | Break the cat poster on the far wall to reveal the safe |
Where to go next in Animal Hospital lore
Ratthew is really a doorway into the rest of the mystery. The most natural follow-up is the full Ron from Accounting quest, since his briefcase is the link between the suitcase, Animal Corporation, and those government documents. From there, Rattina’s disappearance is the other big thread the corporation ties into.
Frequently Asked Questions
Is Ratthew part of Animal Hospital or Grow a Garden 2?
Ratthew belongs to Animal Hospital on Roblox, not Grow a Garden 2. The mix-up happens because Grow a Garden 2 videos often sit right beside Animal Hospital ones, but nothing ties Ratthew to that game’s pets, seeds, or codes.
When does Ratthew start appearing?
He usually shows up around your third shift and then returns across several more — at least five separate visits before his storyline resolves.
What is Ratthew’s Key used for?
It opens the hidden safe in Room 5. It’s a permanent inventory item, not a one-time consumable, and Ratthew stole it from a doctor.
Where is the hidden safe?
Behind the breakable cat poster on the far wall of Room 5, located at the far back on the right-hand side of the main patient hallway.
What is inside the safe?
A top secret suitcase that closely matches the one Ron from Accounting carries. Its exact contents are never fully revealed in-game, but it visibly ties Ratthew into the Animal Corporation and government cover-up.
More questions⤵
Is Ratthew an anomaly?
It’s left unresolved. Many of the other animals suspect he’s an anomaly, while Ratthew repeatedly insists he’s completely normal — the game shows the suspicion without settling it.
Who is Rattina?
Rattina is Ratthew’s twin sister, who worked for Animal Corporation before vanishing without explanation. Ratthew has been searching for her ever since, and her fate remains one of the game’s open mysteries.
Video help
