Kenji Takahashi (February 5, 1955 – May 6, 2026), known professionally as Kenji Ohba, was a prolific Japanese actor and former stuntman best known for his roles in the Super Sentai and Metal Heroes series, especially as Retsu Ichijouji / Gavan in the 1982 TV series Space Sheriff Gavan. He is the president of his own action/stunt troupe called "Luck JET" ("JET" being an acronym for "Jaunty Eventful Troupe").