Trivia: The song the Engineer plays during Meet the Engineer is titled "More Gun." More Gun is based on "Someone Else's Song", which was originally written by Jeff Tweedy and performed by the American Country band Wilco. (00:00:05)
Trivia: Dennis Bateman plays the voice of the Spy. He also plays the muffled cries and screams of the Pyro behind his asbestos lined mask.
Trivia: Originally, the Short Circuit was designed more as a minigun like weapon that opened up from the Engineer's glove. However, Valve decided to they wanted a less powerful electric based weapon, so the current design is what it was changed to.
Trivia: The ability of the Soldier to rocket jump was originally a glitch in the original Team Fortress games. Valve has embraced this bug now with the addition of weapons such as the Rocket Jumper. Additionally, the ability of rocket-wielders being able to use their rockets to jump higher originated from Quake.
Trivia: The Soldier is known to recite quotes from the United States Marine Corps and Sun Tzu's The Art of War.
Trivia: The Soldier's uniform and Rocket Launcher are usable by Megabeth in Super Monday Night Combat.