As Akira Toriyama drew Dragon Ball after the Cell Games, he did not want to introduce a new villain in the form of Majin Buu.
After existing for 28 years in Dragon Ball GT, the Goku transformation into Super Saiyan 4 was finally made canon in Dragon ...
Dragon Ball DAIMA finally introduced Super Saiyan 4 form, only to quickly confirm that this form isn't linked to God Ki from Dragon Ball Super.