Hideous giant brain guy

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The hideous giant brain guy is an alien from the Marvel portion of the Generation 1 continuity family.

I won't pay a lot for this muffler!

The hideous giant brain guy is one of many beings, native and otherwise, who enjoyed the brief rebirth of gladiatorial combat on Cybertron under the aegis of the alien criminal Zabra. He is mainly noteworthy because, seriously, what the hell.

Fiction

Marvel The Transformers comics

The hideous giant brain guy attended the "games" at the Jekka Amphitheatre in Tyrest on the day of Ultra Magnus's bout against the alien Hooligan. He was last seen asking a souvenir salesman about the price of a foot belonging to a defeated combatant. Presumably, when Magnus defeated Zabra and shut down the games, he found something else to do. Deadly Games!

He wears a Decepticon tattoo on his frontal lobes. Now that's a fanboy.

Animated cartoon

The hideous giant brain guy was a playable character named HGBG in Ninja Gladiator. He could use his "Ego Whip" to attack. The AllSpark Almanac II