Inuyama

Inuyama (マウンテンドッグ, Mountain Dog), fan nicknamed "Firefly Samurai" is the assassin hired by Sasaki Ryujiro that tried to assassinate Jin.

Appearance
Inuyama is a middle aged man with a wrinkly face and brown hair with a medium length pony tail in the back. He wears a blue kimono that reveals his chest, and he wears his sword on his left side.

Personality
Inuyama has a cool headed personality and is a very pleasant man even though he is an assassin. Inuyama has said that, "For me killing is merely just a business, it's nothing personal."

He is a wise man who often pretends to be a Samurai only by name, choosing not to show his true skill with a sword, only until facing his target. He stated to Jin that he might of been able beat him if they were in a dojo.