En Dwi Gast (Earth-8312)

"My name is En Dwi Gast, the Grandmaster. I preside over a little harlequinade called the Contest of Champions. People from all over the universe come to unwillingly participate in it, and you, my friend, might just be part of the new cast. What do you say to that?"

- - Grandmaster to Thor

En Dwi Gast, also known as the Grandmaster, is an Elder of the Universe and ruler of Sakaar, who is obsessed with games. He enjoys manipulating lesser species and lifeforms in his Contest of Champions, deadly gladiatorial games which he hosts.

Biography
En Dwi Gast's past is shrouded in mystery, but he, like his brother, Taneleer Tivan, are some of the oldest beings in the universe, coming to exist not much later than the formation of the Infinity Stones. As an Elder, the Grandmaster is immortal and possesses an unique obsession, in his case, gaming.

Powers

 * Power Primordial: As an Elder of the Universe, the Grandmaster possesses the Power Primordial, which is residual energy from the first days of the universe, a power which he is able to maintain through his natural obsession with games and puzzles. His powers include superhuman strength, mentality, and energy manipulation.