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 that he has made the main purpose of his life. He lives alone near Washington, D.C.Mulder's drive in finding the aliens is his sister Samantha Mulder. As children Samantha was abducted from the Mulder home and Fox has never forgiven himself for not fighting harder to prevent the abduction. Samantha is the drive behind all of his investigations to get redemption that she may still be alive.