Gotenks

Gotenks is the immensely powerful fusion of Goten and Trunks successfully using the Fusion Dance, and the first successful fusion dance. He likes to call himself, "The Hero of Justice", "Mack Daddy of Justice", or "Grim Reaper of Justice". Gotenks is a fusion taught to Goten and Trunks by Goku and is later trained by Piccolo. He is one of the fusions performed through the use of the Fusion Dance.