山贺博之，Hiroyuki Yamaga (山賀 博之 Yamaga Hiroyuki?) is a founding member of the Japanese animation studio Gainax, and a anime director. He wrote the screenplay for Gundam 0080 (1989). He is best known for directing the film "Royal Space Force: The Wings of Honneamise" (1987) at age 24, directing Mahoromatic (2001) & Magical Shopping Arcade Abenobashi (2002), and an episode of Gurren Lagann (2007).