Stamper Wilson

Stamper Wilson (スタンパーウィルソン Sutanpāu~iruson) is an assassin working for an unknown organization.

Appearance
Stamper is a tall man with black eyes, and black hair, tied in a ponytail. He has an X-shaped scar on the left side of his forehead. He clothes consist of a black shirt, black pants, white tie, a long, grey coat, black shoes, and glasses.

Personality
According to Sven Vollfied, Stamper Wilson is known for being a crack shot. He is overconfident in his abilities, that he believed he could challenge the "Black Cat", and underestimates others, such as the "disciple".

History
Stamper is said to be an assassin, who, like the Black Cat, used a gun to carry out his assassinations.

The Imposter Arc
Stamper, along with a group of men, track down Blum Pullman. Upon hearing that Pullman was arrested by the legendary Black Cat, he sets out to find the assassin-turned-sweeper (Who was actually Woodney). Stamper challenges Woodney, but Train, posing as Woodney's disciple, challenges, and easily apprehends the man.

Equipment and Abilities
Marksmanship: Stamper in a professional marksman. When demonstrating his abilities, he managed to shoot a coin flipping in midair three times.