Who is the founder of Team Fortress 2's fictional company "Mann Co"?
Explanation
The founder of Team Fortress 2's fictional company Mann Co. is Zepheniah Mann. He is a character in the Team Fortress 2 universe who is portrayed as a wealthy and influential figure. Zepheniah Mann's establishment of Mann Co. laid the foundation for the game's narrative, where players take on the roles of mercenaries working for the company in a comical and exaggerated team-based shooter setting.