Really Happy Mouse is a fan-made antagonist in Abandoned: Discovery Island.



Really Happy Mouse's appearance is that of Suicide Mouse, except he has human like teeth.


Really Happy Mouse will start in Character Prep 3 with Willy, then he will go to the Character Prep 1, then to the Staff Area , then to the meat freezer, then to the Lounge, then finally to the office.


  • Really Happy Mouse is named after the game "Really Happy Mouse".

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.