This article, Goku and Superman Fusion, is the property of Ultimate avatar.
This article, Goku and Superman Fusion, is a fan-made crossover between Dragon Ball and another universe.
This article is about Goku and Superman using The Fusion Project. This article is a crossover because Superman comes from the DC Universe. Goku was happy about doing this beause Superman is very powerful. When Goku's part of the fusion goes Super Saiyan 4, the fusion can shoot 500 miles around the Earth and go at that same speed. The Power Level of this fusion is 100,980,145,009. This fusion can destoy Buu just by tracking his power level and punching him. This is the most powerful fusion in DBZ history