TF2 has been immensely popular for six years now, but this Valve classic still has one lingering mystery. Today, Game Theory takes on Team Fortress 2's unanswered question: The sexual identity of the Pyro. Is this TF2 hothead a male or female? Game Theory pulls back the mask to reveal who...or what...is underneath. Game Theory, part of the Game Theorist network. Check out all our shows: Game Theory:    • Game Theory: The Complete Series   Game Exchange:    • Game Exchange   Digressing and Sidequesting (DSNQ):    • Digressing and Sidequesting