Hisoka

An antagonist from HunterxHunter.

Sadomasochist Pedoclown
Hisoka is a Hunter, someone who is at the top of humanity. He is always in search for strong opponents, and would spare those with great potential in order for them to get strong enough to actually challenge him.

Season 5
Somehow his search for powerful foes has lead him to the world of The Final Rumble. Sensing the strong auras coming from TFR, he has joined in a quest to find the fight that will fill him with the truest of joy.

Episode 1
Sensing great fury from a being, he interjects into the fight, and defeats it.