Donkey Kong is a character who appears as an anti-hero in the first season of Mario and Luigi's Stupid and Dumb Adventures. He is a big gorilla with brown hair. He defeats The Eagle and fights Bowser in a few episodes in Mario and Luigi's Stupid and Dumb Adventures. In Bowser Jr.'s Playtime Problem, he was revealed to be Diddy Kong's father. He gets angry when someone calls him Jimmy Neutron.