Both Zangief And El Fuerte from Street Fighter have Super Moves that are Kinnikuman References And Homages. Zangief's Ultra Combo II The Siberian Blizzard is a Homage to the Kinniku Driver. While El Fuerte's El Fuerte Ultra Spark is a Homage to the Muscle Spark.
You also got King from Tekken. Referencin' Kinnikuman. Especially with the Kinniku Buster. While also bein' an Homage And Reference to the Pro Wrestling Manga Tiger Mask created Ikki Kajiwara And Naoki Tsuji. Which came out before Kinnikuman.
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You also got Brocken from World Heroes. Who was Inspired by Brockenman And his Son Brocken Jr.
Those are some of the few examples. Kinnikuman was definitely influential not only in Japanese Fighting Games. But in Japanese Pop Culture as a whole as well.