Dragon Ball Z: Supersonic Warriors/Gotenks

Gotenks is the Fusion Dance result of a young Trunks, son of Vegeta, and a young Goten, son of Goku. The two combined to form the ultimate weapon to defeat Buu. Despite the childish attitude, the best friend combination of Goten and Trunks can prove to be a challenging opponent against the toughest of the tough.