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Metal Bat (金属バット Kinzokubatto) is a S-Class, rank 16, superhero for the Heroes Association.

Appearance
Metal Bat resembles a typical Japanese bancho delinquent who sports a pompadour. His eyes and brows greatly emphasize his hot temper.

Personality
He appears to have a great deal of confidence in himself stating that he did not care whether a threat is a Demon or Dragon level, he would take care of it himself. He also seems to be brash and reckless, as shown when he immediately smashed one of Melzalgald's marbles instead of trying to analyze what purpose it serves for the enemy. The way he speaks is like of a pirate accent, pronouncing 'yer' instead of 'your' for example. Despite his brash attitude, he still has a soft side in him, such as toward his sister. Like Saitama, he doesn't care about his rank as well, as well when he challenged Handsomely Masked Sweet Mask for his mockery attitude before it was interrupted by a call from his sister and Sweet Mask's client.

S-Class Hero Arc
Metal Bat is first seen during the S-Class heroes meeting and the attack from the Dark Matter Thieves. Form there he proceeded to fight alongside the other S-Class Heroes against some of the alien invaders. With the aid of bang and others they are able to destroy a good portion of the Mothership and kill Melzalgald.

King
Metal Bat is later seen on a desert like terrain arguing with Handsomely Mask and threatens to start a fight with him. But before he has the chance his sister calls him and the tries to get an autograph from Handsomely Mask.

Abilities
As an S-Class hero, Metal Bat is very powerful. Despite his brash nature he seems to be very perceptive, as he was the first one to discover Melzalgald's weakness.

It's believed he's one of the strongest S-Class heroes, as he was able to threat Handsome Mask with little fear, one of the strongest characters in the series, even more than some S Class Heroes.