Ichiji Vinsmoke is the eldest son of the Vinsmoke Family and a prince of the Germa 66 army in the anime and manga series One Piece. He is known for his ruthless and prideful demeanor, often looking down on others, including his siblings. As part of the technologically advanced Germa 66, Ichiji possesses enhanced physical abilities and can manipulate fire-based attacks. He plays a significant role during the Whole Cake Island Arc, particularly in the conflict with Big Mom and Sanji's family struggles.