Bin is one of Sio's henchmen and protector. When Sio was young, he was part of her foster family and always made people laugh beacause of the funny mask he wore. But after the town where he lived was destroyed (Sio blames Afro for this event) he suffered severe wounds and was reconstructed by the mad professor Dharman as a cybernetic fighter (similar to Jinno's situation). He wears the same mask that he had in the past to conceal his robotic appearance. Bin usually carries a boom box that can fire metal spikes and is capable of turning his left hand into a blade and his right hand into a laser canon as well as using his robotic feet to make huge leaps. He and the other henchmen despise Afro because they consider him responsible for their loss of humanity and desire to kill him in order to prevent Sio from becoming a murderer. After the other two henchmen are destroyed, he grabs Afro's leg with his last strenght and wants to detonate himself in order to kill him but Afro disposes of him by kicking his head off.    (wikipedia)

Afro Samurai found peace after avenging his father. But the master is forced back into the game by sexy Sio, a deadly woman from his past who won’t quit until Afro pays for his sins. <br><br>
(Source: Funimation)

[Wiki (en)](https://en.wikipedia.org/wiki/Mark_Hamill)

Mark Hamill is an American actor, voice actor, and writer.

He is known for playing Luke Skywalker in the Star Wars film series, winning three Saturn Awards for the role. He is also a prolific voice actor who has portrayed characters in many animated television series, films, and video games. Though the voice role he is most known for is Batman's archenemy the Joker, his success as the Joker has led him to portray a wide variety of characters in television, film, anime, and video games.

Hamill has done voice acting in English dubs of two [Studio Ghibli](https://anilist.co/studio/21/) films. He voiced the [Mayor of Pejite](https://anilist.co/character/8547/) in [Nausicaä of the Valley of the Wind](https://anilist.co/anime/572/) and [Colonel Muska](https://anilist.co/character/8526/) in the second English-language version of [Castle in the Sky](https://anilist.co/anime/513/), both of which were directed by [Hayao Miyazaki](https://anilist.co/staff/96870/) and distributed by Disney.

(Source: Wikipedia)