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Unshō Ishizuka (石塚 運昇 Ishizuka Unshō) was a Japanese voice actor who voiced Heihachi Mishima in Tekken: Blood Vengeance, Street Fighter X Tekken, Tekken Tag Tournament 2 and Tekken 7 replacing the late Daisuke Gōri.

Outside the video games, he is a well known voice actor in different anime and most media and is best known for voicing Moichi Taoka from the manga and anime series, Slam Dunk as well as Joseph Joestar from JoJo's Bizarre Adventure: Stardust Crusaders.

He died on August 13, 2018 due to esophagus cancer.