Koichi Mugikari - JoJo's Bizarre Encyclopedia

Koichi Mugikari (麦刈 公一, Mugikari Koichi) is a primary ally featured in the Cool Shock B.T. series, as well as its one-shot pilot, B.T. "The Wicked Boy".

JoJo's Bizarre Adventure: Diamond is Unbreakable: Heroes / Characters - TV Tropes

B.T., The United Organization Toons Heroes Wiki

JoJo's Bizarre Adventure: Diamond is Unbreakable: Heroes / Characters - TV Tropes

Koichi Mugikari - JoJo's Bizarre Encyclopedia

Koichi Hirose - JoJo's Bizarre Encyclopedia

Mashounen B.T. (Cool Shock B.T.)

Koichi Hirose - JoJo's Bizarre Encyclopedia

Koichi Mugikari - JoJo's Bizarre Encyclopedia

Koichi Mugikari - JoJo's Bizarre Encyclopedia