Seiji Sakaguchi is a retired Japanese professional wrestler and judoka, Sakaguchi holds a 7th dan red and white belt in Judo. Sakaguchi was a mainstay of New Japan Pro Wrestling and also competed for the World Wide Wrestling Federation and the National Wrestling Alliance. His sons are professional wrestler and mixed martial arts fighter Yukio Sakaguchi and television actor Kenji Sakaguchi. Sakaguchi currently works for New Japan as an advisor. At age 61, Seiji Sakaguchi came out of retirement to team up with Masahiro Chono against Yoshihiro Takayama and Shinya Makabe on September 14, 2003.