Gregory Todd Farshtey, commonly referred to as Greg Farshtey, was a designer and editor for West End Games. He has written The River of God (1992), Hell's Feast (1994) and Demon's Dream (1996), 29 BIONICLE books, numerous BIONICLE online serials, 5 BIONICLE guide books, 4 Exo Force novels, as well as two textbooks for children. He has also authored or co-authored over 35 roleplaying game books, as well as designed the roleplaying Shatterzone and Bloodshadows universes.
He served as Editor in Chief for the Community Education Direct division of the LEGO Company from 2000 to July, 2022 citing yet-unknown new opportunities on his LinkedIn page. As part of his job he wrote the BIONICLE comics included in the bi-monthly LEGO Magazine. With the cancellation of BIONICLE, he moved on to writing novels for the LEGO Company's Hero Factory and Ninjago themes, as well as acting as a consultant on the now-canceled second generation of BIONICLE.