Evil Goku is the main character in a part of the fan made fictional comic Dragon Ball AF. He turns SSJ5, one level further from SSJ4, and the enormity of the power is so much that Goku cannot control...
When Goku came to earth he was originally evil. But he fell on his head and it changed him in some way and made him the way he his. If someone were to hit him in the head a certain way, then it is...
