Despite his initial appearance, Kid Buu emerges as the strongest and most ... and most unhinged form of this villain, with his first act being the destruction of Earth in a shocking moment that ...

Tarble, Vegeta's brother, was introduced in a 2008 Dragon Ball OVA set after defeating Majin Buu. Tarble is mentioned in ...

which establishes the first major retcon involving this character. It is also worth pointing out that the Supreme Kaioshin mentions how the fat Majin Buu was exactly how he remembered it ...

But, sure enough, Kakarot tracks Goku’s adventures from the appearance of Radditz and the first utterance of the word “Saiyan” all the way through the final showdown with Majin Buu ...

So right now, Beerus hasn’t gained any new strength, from what we know of, since the his first appearance. Majin Buu has gained new abilities and powers, and may have some much needed experience ...

Majin Buu has earned ... the Demon Realm. Since Buu is now considered a “friend” of the shonen heroes, he was not able to escape Gomah’s wish and became a “first grader” himself.