Mysterious Mouse is an easter egg in A:DI RP. It appears to be in nearly all categories. It rarely appears in the office.
Mysterious Mouse has Mickey and Impure Mouse on the left and right sides, but they both lack heads with floating teeth. Impure Mouse has white pupils, while Mickey has red pupils.
"Dont Rub it in" - Mickey
"We cant remember" - Impure Mouse
"I forgot! Oh no!" Mysterious Mouse
"The Angels...." - Mysterious Mouse
"Why me?" - Mickey
"Greg, everyone finds the truth" - Mickey
"Don't Lie." - Impure Mouse
"Your mind is rotten" - Mickey
"We listen, but they have aquaphobia." - Mysterious Mouse
- This appears in nearly every category.