Anti-Hero: He is certainly one of the darker captains in the verse, to the point of even working alongside Crocodile for a small stretch of time and considering killing off Luffy himself.
Badass Boast: "I am the son of the Samuel pirate clan, and I am honored to carry that name! I am proud to be descended from pirates who once journeyed these seas with Gold Roger and Whitebeard themselves."
Badass Family: The Samuel Clan was a pirate crew said to be on the level of Whitebeard and feared to the point that the Government wiped almost all of them out.
Dark and Troubled Past: The betrayal and mutiny of his crew and them leaving for dead allows him membership into the club.
Did You Just Flip Off Cthulhu?: Luffy declared war on the World Government, Axe declared war on the World Government and then told them he was part of a legendary Clan that they thought was completely wiped out.
Extremity Extremist: He learned some Red Leg techniques when paying off a debt to Zeff and thus a lot of his hand-to-hand techniques tends to use his feet
Immune to Bullets: His devil fruit, the Kachi Kachi No Mi Model Diamond turned his skin into near bulletproof stone.
