Jigen is master thief Arsène Lupin III's right-hand man and sharpshooter. He can perform a 0.3-second quick-draw, providing accuracy that borders on superhuman. With ease he can shoot skeet with a handgun, explode a missile before it hits by targeting the warhead, and deflect another bullet by shooting it in mid-flight.

Despite Jigen's gruff facade, he has an ironic sense of humor and genuinely enjoys participating in each caper with his partners. He is, by far, the more pragmatic of the group, with a cynical streak founded in failed romances (his luck with women runs from bad to worse, with love interests often betraying him or dying). He is always distrustful of Fujiko Mine and becomes irritated when Lupin goes along with one of her plans. Among Lupin's group, Jigen is the least apprehensive at taking human life. While he considers killing women and children taboo,