Portgas D. Kobo

Appearance
Shiro is a young man of average height with pointy brown hair brown eyes wears a black t-shirt and wears dark blue pants.

Personality
Kobo is a very calm person but easily gets angered he really hates getting called small he really cares alot about his friends and hates people who hurt their friends.He doesn't like it when people wear to revealing clothes and will beat people half to death if they soil the name of his relative..

Abilities and Powers
Despite his young age he is a strong fighter he specialises in close combat and easily fights alot of people at once.He mastered haki but not at a high level

Devil Fruit
He ate the Tetsu Tetsu no mi which is a logia-class devil fruit which turns him into a tangible form which is hard enough to break bones he can transform his fist into iron and pack a powerful punch that can extend that is where his epithet comes from he also can blow metal scrap and create a roar of metal.