Toshiyuki Morikawa
Tachiki is known for his low voice. He serves as the narrator for "Pride Fighting Championships" and Dream. He and Toshiyuki Morikawa formed the band "2HEARTS" in 2003. Their song, "Ever Free", served as the ending theme for "". Tachiki and Ami Mimatsu formed a previous band, "Takada Band". One of their works is the opening theme for "Blue Seed".