Yoshitomi Mishima (三島睦智 Mishima Yoshitomi) known as Dokonjonosuke Mishima (三島☆ド根性ノ助 Mishima Dokonjōnosuke, born April 19, 1972), also written Dokonjyonosuke Mishima, is a Japanese mixed martial artist and professional wrestler. He has competed professionally since 1998 in organizations such as Shooto, DEEP, PRIDE, the UFC and in his pro wrestling days he has competed in Kiyoshi Tamura’s organization U-Style Pro Wrestling.