Atla (SSJJ)

Atla (アトラ Atora) is an Arlian who appears in a filler Episode of Dragon Ball Z and appears as a Major Antagonist in Dragon Ball Advanced. In the Dragon Ball Advanced; Vegeta and Nappa arrived on the planet the same time Raditz arrived on Earth, but much of the events are the same.

Personality
Following his death; his soul was reincarnated into Grandpara's new soul before he could be revived by Mr. Popo as Vegeta was one of Frieza's men at the time of his death. As a result; he became resentful of having his life stolen from by both Chronoa who reincarnated his soul and Vegeta who killed him.

His rage carried onto Grandpara has he was able to retain some parts of his personality and memory, and thanks to Mechikabura he regained all his memories and personality and collaborated with the Dark King in order to get his revenge against Vegeta and Chronoa.

Dragon Ball Advanced
He was mention in the flashback regarding Vegeta's adventure on Planet Arlia which is much the same as the filler episode on Dragon Ball Z except Vegeta and Nappa arrived the same time Raditz arrived on Earth.

While in Grandpara's Colossus Form - he model the form after Atla's appearance.

Grandpara
Atla was reincarnated by Chronoa into Grandpara allowing to gain immense power.