Special Agent Fox William Mulder (born October 13, 1961), nicknamed "Spooky" Mulder, is a fictional character played by David Duchovny on the 1993-2002 television series, The X-Files. FBI Special Agent Mulder believes in UFOs and a government conspiracy to hide or deny the truth of their existence. With his FBI partner Dana Scully, the two work in the X-Files office, which is concerned with cases with particularly mysterious or possibly supernatural circumstances that were left unsolved and shelved by the FBI. Mulder considers the X-Files and the truth behind the supposed conspiracy so importa...