Step 1 : Introduction to the question "What is Fox Mulder's middle name?"
The fictional character Fox William Mulder was born Oct. 13, 1961. He has a younger sister, Samantha, who disappeared in 1973. Fox believes she was the victim of an alien abduction; thus, his motivation for becoming an FBI agent who investigates cases with a paranormal bent. His partner in these investigations is Dana Scully, a medical doctor who is skeptical of paranormal causes for unexplained phenomenon. The show gained cult-like status among its devoted followers during its nine-year run. Source: Fanlore.org