Junichi Hayama(羽山 淳一Hayama Junichi) is a Japanese animator credited for his work on the OVA adaptation of JoJo's Bizarre Adventure and the Phantom Blood movie by studio A.P.P.P.. Originating from Monsieur Onion (affiliates of Toei Animation), he now collaborates with various studios as a freelancer. He is well known for his work on the First of the North Star anime, where he developed his current style from his mentor, Masami Suda.