Ansem, Seeker of Darkness, is a character from the Kingdom Hearts video game series. He is the main antagonist in the first game and is known for his dark powers and desire to obtain knowledge about the heart. Ansem is actually a Heartless, representing the darkness within the heart, and he seeks to plunge the worlds into darkness. Originally, Ansem was a scientist named Ansem the Wise, who studied the heart and its connection to darkness. His experiments led to the creation of the Heartless, and he ultimately lost control over his research. Ansem, Seeker of Darkness, embodies the consequences of his former self's ambition.