Sonicball Z is a Sonic video game released on the Nintendo 3DS that is a crossover between Sonic and Dragonball
Z. It has the exact same story as the Dragonball Z games except it is with Sonic characters instead. Sonic is Goku, Knuckles is Piccolo, Tails is Gohan and Shadow is Vegeta. Also in the game, Sonic and other characters have the ability to go Super Hedgehog an ability where they are faster, stronger, and have golden fur.