Ansem, Seeker of Darkness (Game Version)

Ansem, Seeker of Darkness (also known as Xehanort's Heartless) is a major antagonist from the Kingdom Hearts franchise, appearing as the main antagonist in the first game and Riku's story in Kingdom Hearts: Chain of Memories, one of the secondary antagonists of Kingdom Hearts 3D: Dream Drop Distance and Kingdom Hearts III. He is one of the incarnations of Master Xehanort.

He was voiced in Japanese by Akio Ōtsuka and in English by Billy Zane in Kingdom Hearts and Richard Epcar from Kingdom Hearts II onwards.