As a Marine captain, Trap wears the standard Marine coat.
On the left side of his face, Trap possesses a metal plate which covers the area around his eye including area above the mouth and beyond his nose to the left.
Trap is a man with great determination as he tries to make Monkey D. Luffy his right-hand man, despite Luffy's status as a wanted pirate and an enemy of the World Government.
Due to something that happened in the past, he is known as one of the most intelligent Marine captains.
Captain Trap sets out to capture the Thousand Sunny. Trap devises various traps to accomplish his goal of making Luffy his subordinate.