Hollow Ichigo aka the actual real Zangetsu (斬月) is the manifested spirit of Ichigo Kurosaki’s Zanpakuto spirit, as well as his inner Hollow.

He has been called The Hollow within Ichigo’s conscience or White Ichigo. Inherited from his mother, Masaki Kurosaki, Hollow Ichigo represents Ichigo’s dark personality, and soul as he is the result of the fusion between the Hollow known as White. He has stated himself to represent Ichigo’s purest instincts, and wants to become a better King than Ichigo. Since he sees Ichigo as the king, and only sees himself as the horse.