Takao Kato (加戸 誉夫 Kato Takao; 1963–) is a Japanese anime director and animator, best known for directing the TV series of To Love-Ru, Pandora Hearts and Rio: Rainbow Gate!.
Katsuhiko Takayama (高山 カツヒコ) is a screenwriter. He is a member of the Writers Guild of Japan. His real name and old name is Katsuhiko Takayama (高山 克彦).