His Ghoul persona is based on Jason from the Friday the 13th franchise, but unlike the horror icon, he actually speaks ... He has been voicing Roronoa Zoro in the Funimation dub since 2007.

Since the time skip, Roronoa Zoro's closed left eye has sparked intense speculation among One Piece fans. Theories range from a concealed demonic power to a key for unlocking a final, powerful form.