Ryosei Konishi (born Hiroki Konishi, February 20, 1982) is a Japanese actor and voice actor. Until January 19, 2007, he was known by his birth name. He belonged to Stardust Promotion until the end of May 2015. He is best known for portraying Kouga Saejima/GARO, the title character from the Japanese tokusatsu television series GARO from 2005 to 2006, its 2010 film adaptation, Garo: Red Requiem, and the 2011 television series Garo: Makai Senki (which serves as a sequel to the original series).