A former champion boxer famous in the underworld nicknamed "The God of Destruction", James lost his right leg and eye in a fight with Miu's father; since then he became a hermit, living under a bridge in a shack which contains a boxing gym, coming out only to play Pachinko. After Takeda witnesses him defeat a team of thugs outside a Pachinko parlor, he immediately sets out to become his disciple; during which Takeda was made to do various hard tasks as his test: he had to first find a non-existent two headed pachinko ball (which he found nearby, having been dropped by chance); then run to the sea while dragging a tire, find a rare breed of fish and seaslug, and then sing Tan-Tan-Tanuki while doing a hundred Hindu squats at a police box on the way back (he found them on his first try, the police cheered him on, and an old woman gave him a bento), all of which he passed. Like Takeda, Jame's best punch is left straight.
James and Akisame know each other and are engaged in a mustache feud, with Shiba frequently insulting Akisame's; the two seem to have a strange relationship, as they both force their respective disciple to run a marathon while carrying them. James is not above taking advantage of Takeda, having him fight in betting matches in order to supplement his own income. James also keeps various pets and names his moves after them. In Battle 321-322 he is shown he cared about Takeda by forefiting the match although he said it is foolish to break his source of money and he forgot the bet of cutting off his mustache if he lost. Akisame said he improved a lot since he cares about Takeda's well being.