Ken Ichijouji is a central character in the anime series Digimon Adventure 02. Initially introduced as the enigmatic and antagonistic Digimon Emperor, Ken is a highly intelligent and talented boy whose dark actions are driven by personal trauma and loneliness. Over time, he is redeemed and becomes one of the DigiDestined, partnering with Wormmon. Ken's journey explores themes of forgiveness and self-acceptance, and he plays a crucial role as both a rival and a trusted ally in the battle to save the Digital World.