Biography
In the late 1970s, while Dee was still a teenager, he and Jack Herman created Villains and Vigilantes, the first complete superhero role-playing game. The game was published by Fantasy Games Unlimited in 1979. : 73 Dee and Herman persuaded Scott Bizar to produce a second edition, which was published in 1982. : 75 Dee came up with the idea of creating a role-playing game based on cartoons when he, Greg Costikyan, and other designers were discussing which genres had no role-playing game systems yet; although they agreed that it would be impossible for such a game to be designed, a few years later Costikyan designed Toon as a full game with the assistance of Warren Spector. : 104
Dee was the youngest artist in TSR history when he began working for them at the age of eighteen. In 1997, with his partner 'Manda, Dee founded UNIgames, a publisher of role-playing, board and computer games.[citation needed] Dee designed a new superhero role-playing game originally titled Advanced Villains and Vigilantes, which was ultimately published as Living Legends in 2005. : 77 In 2009, he co-founded Nemesis Games, developers of an MMO named Gargantua.
Dee has long been an advocate for the role-playing game industry.