[3] In 1984 he co-founded Antarctic Press,[3] an American comic book company specializing in manga-style (Amerimanga) titles.
His most notable creations for Antarctic are the comic book series Ninja High School and Warrior Nun Areala.
[3] In 2003, Dunn sold his portion of Antarctic Press to start his own development company, Sentai Studios.
[5] In 2016, Art Greenhaw began creating, editing and writing faith-based visual novels and comic books, starting with the book series God's Silver Soldiers,[6] also known as Silver Soldiers: The Comic and followed by Tales of Nazareth: The Boyhood of Jesus.
[7] The comic books, under the imprint of Truthmonger Comics Group Publishing, have achieved acclaim for their action-oriented innovation in illustrations by Dunn, as well as their storylines, and they have been covered in the media by TV channels, newspapers, and faith-based, nationally syndicated radio.