Hack

Hack is a fishman fighter and joined as a gladiator at the Corrida Colosseum to compete for the Mera Mera no Mi.

Appearance
Hack is a fishman, with spotted skin and scales under his eyelids. He has gills on the sides of his neck, and long flowing hair. He also has a moustache.

Similar to Kuroobi, he wears an open gi with a black belt.

Personality
He seems to be a calm and proud person.

Jinbe
He is a friend of Jinbe and the two fishmen have the same beliefs.

Abilities and Powers
As a fishman, he is at least ten times stronger than an average human, and twice that in the water, however, as he is taking part in the Corrida Colosseum fights, a location in the New World, as well as from the demonstration of a high-level Fishman Karate attack, it's implied that he's much stronger than that. He was able to stop an assault from a large gladiator, by grabbing his opponent's spiked club, and then the man commented that he was unable to move.

Fishman Karate
Hack practices "Fishman Karate" to fight his opponents with great strength.

Dressrosa Arc
Hack entered the Corrida Colosseum to compete for the Mera Mera no Mi. For the battle royale, he was placed in Block B.

After Block B started, one of the fighters taunted Hack for being a fishman. Hack then defeated his opponent with Fishman Karate.