In addition to being the creator of Hellas, Jerry Grayson is also the founder of Khepera Publishing, and the creator of Godsend Agenda and d6 Powers. His code name is Delicious.

Michael Fiegel is the co-author of Hellas, as well as the creator of Ninja Burger and Vox. He publishes RPGs under the aethereal FORGE moniker. His code name is The Ninja.