Co-creator and manga artist of ULTRAMAN manga. Born February 17, 1978, at Osaka Prefecture, Japan. Shimizu primarily handles the story, mechanical designs, and artwork. Other notable works is: Linebarrels of Iron (2005-2015) Getter Robo Devolution (2016-2019) BATMAN JUSTICE BUSTER (2021 - present).

Co-creator and manga artist of ULTRAMAN manga. Born April 27, 1978, at Ishikawa Prefecture, Japan. Shimoguchi primarily focuses on character design and manga illustrations. Other notable works is: Linebarrels of Iron (2005-2015) Getter Robo Devolution (2016-2019) BATMAN JUSTICE BUSTER (2021 - present).