Ansem is a character from the popular video game series Kingdom Hearts. He is known as the main antagonist in the first game and is associated with the dark forces that threaten the game's universe. Ansem is often depicted as a tall figure with a dark robe and a distinctive heart-shaped emblem, symbolizing his connection to darkness and the heart. In the series, Ansem is also linked to Xehanort, a key figure in the overarching storyline. He seeks to understand the nature of hearts and darkness, leading to various conflicts with the protagonists, including Sora and Riku. Ansem's character embodies the struggle between light and darkness throughout the series.