Kazemaru Ichirouta, also known as Nathan Swift, is a main supporting character of the Inazuma Eleven series. He is a defender for Raimon in the first season. During the Aliea incident, he plays as a midfielder until he leaves after the team's defeat by Genesis. Afterwards, he ends up joining Aliea Gakuen, becoming a forward and the captain for their ultimate team, Dark Emperors. In the third season, he is a midfielder and the temporary captain for Inazuma Japan. He reappears in the Inazuma Eleven GO series, watching the final match of the Holy Road along with others such as Kabeyama Heigorou and Fudou Akio.