Cumber is an ancient Saiyan. He is taken from his proper timeline by Fu and placed in the Core Area of the Prison Planet, restrained by the use of a straight jacket and is given a Special Dragon Ball. The purpose behind Cumber’s capture is to study and experiment his unique dark ki.

Cumber appears to have some bad history with the Super Saiyan God as once he first saw Goku turn Super Saiyan God, he became very agitated at the presence of a red-haired Saiyan. In the arcade game of Super Dragon Ball Heroes, it is revealed that Cumber was summoned by the Dragon Balls after Fu makes a wish with them.

(Source: Dragon Ball Wiki Fandom)

The July 2018 issue of Shueisha's V Jump magazine revealed that the Dragon Ball Heroes game series will get a promotional anime this summer. The anime will depict the story's "Prison Planet" arc from Super Dragon Ball Heroes: Universe Mission. The anime's "first episode" will get an advance screening at the "Super Dragon Ball Heroes Universe Tour 2018" tournament event for the game at Aeon Lake Town in Saitama prefecture on July 1.
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(Source: Anime News Network)

__Height:__ 173 cm (5'8'')  
__Non-anime roles:__
-Taiga Saejima - Yakuza
