Atsuki Tani (谷 昌樹 Tani Atsuki) is an actor and voice actor who voiced Chanbaano in Kyukyu Sentai GoGoFive, Mercenary Org in Mirai Sentai Timeranger, and currently, Don Armage in Uchu Sentai Kyuranger. He also dubbed as Scorpius in the Japanese dub of Power Rangers Lost Galaxy. He's most notable for being the Japanese voice actor for Master Chief in the original trilogy for the video game Halo.