Majin Vegeta is the form taken by Vegeta after allowing himself to be possessed by Babidi in the anime series Dragon Ball Z. Driven by his desire to surpass Goku and fueled by his Saiyan pride, Vegeta accepts the dark power, gaining a massive boost in strength as a Super Saiyan (SSJ). Despite his apparent loss of control, his underlying motivation is to challenge Goku in a fair fight. Majin Vegeta plays a crucial role in the Majin Buu Saga and significantly impacts the story’s progression.