Parker Simmons Known For: Mao Mao: Heroes of Pure Heart Voices: Mao MaoRatarangKing Snugglamane Parker Simmons is a storyboard artist and writer. He is best known as the creator of Mao Mao: Heroes of Pure Heart. He also worked on episodes of OK K.O.! Let's Be Heroes. Retrieved from "https://cartoonnetwork.fandom.com/wiki/Parker_Simmons?oldid=95464" Categories: Creators Real-Life People Writers Storyboard Artists Voice Actors Male Voice Actors Community content is available under CC-BY-SA unless otherwise noted.