Mappy (マッピー?) is a fictional character and the eponymous protagonist of the Mappy series. He is a anthropomorphic white mouse who's a police officer that goes after the criminal cats Meowkies and their boss Goro.
Mappy heard the whereabouts of Goro stealing valuable items keeping them in his warehouse. Luckily, Mappy was able to stop Goro and his Meowkies, go though the warehouse and obtain the stolen goodies.