Marc Letzmann
Known As: ExcaliburBiography: Marc Letzmann is a retired American professional wrestler, best known under his ring name Excalibur. Letzmann is one of the six founders of Pro Wrestling Guerrilla, where he continues to work as the company's "Liaison to the Board of Directors". After retiring from in-ring competition in 2007, he became the company's lead play-by-play commentator.
