Zangetsu - Bleach
A minor character in Bleach who is the spirit form of Ichigo's Zanpakuto; Zangetsu (Moon Cutter), and along with Ichigo's Hollow spirit are the sources of ichgo's spiritual power. Portrayed as a wise and calm in most matters, he is often fond of testing Ichigo in many odd ways. Zangetsu resides in Ichigo's inner world which is appears to be a solitary world littered with tall skyscrapers. Zangetsu's primary technique as a zanpakuto is the Getsuga Tensho.