In the anime, it can be seen that Baby has merged with almost all of humanity on Earth, so we can't give many rankings just to talk about each of his fusion forms but can only focus on into their strongest form: Baby and Vegeta.His identity changed quite a bit when he finished merging with Vegeta, although it seems that this character is completely controlled by Baby and not in the form of a fusion between the two individuals. With Baby Vegeta's form, this is probably the most perfect combo ever seen that can fight on par with Goku. In addition, it cannot be denied that Vegeta is the only character who can keep up with Goku in the training sessions in heaven, so we can say this is the second strongest Saiya warrior after Goku. It can be said that Baby Vegeta is one of the strongest fusion characters on the villain side as he can single-handedly fight all the Z Fighters, defeat Majuub, and even defeat Goku .