Ralph's Japanese cousin Leroy comes to visit him. Everything seems to go OK except whenever Leroy sees Lionel, he goes berserk and wants to fight him to the death.
Leroy is Ralph's cousin from Japan. He looks like a Pokemon but is actually a mouse like Ralph. Around his American cousin, he's a very ...considerate, polite person. However, when provoked or whenever he bumps into a cat, he can turn into a neurotic sociopath who demands a fight using his bizarre powers.
Leroy is a satire of Japanese anime cartoons (specifically Pokemon). He's brown like Ralph, but has pink eyes and pointier ears. His tail alos makes a lightning bolt shape.