is heavily implied throughout the seventh season that Scully and Mulder's relationship was developing into the romantic sphere. In season nine, it was confirmed that sexual encounters had occurred between the agents prior to Mulder's abduction. In "Essence", Mulder's inner monologue reflects: "How did this child come to be? What set its heart beating? Is it the product of a union or the work of a divine hand?" suggesting William may have been conceived naturally through intercourse, by some paranormal intervention, or perhaps some measure of both. In The X-Files: I Want to Believe, and the tenth season, both Mulder and Scully referred to William as their son. However, in season 11 it is revealed that William is in fact the son of C.G.B Spender, The Smoking Man. He was medically conceived in season 7 while Scully was unconscious. He is played by Miles Robbins while Jerry Shiban (the son of John Shiban) and several other children play him as an infant, Bentley Hixsons plays him as a young child, Chase Nicholson plays him as a preteen, Austin Dunn plays him as a young teen, Keith Arbuthnot plays him as Ghouli, François Chau plays him as Peter Wong and David Duchovny plays him as Mulder. The version seen in Scully's dream is played by siblings Hannah Longworth, Aiden Longworth and Rowan Longworth as a child, preteen and teen respectively. Eugene Victor Tooms Eugene Victor Tooms is portrayed by Doug Hutchison. Tooms is an immortal genetic mutant who subsists entirely off of human livers and able to elongate and contort his body to inhuman degrees, hibernating for 30 years between his feeding periods. Tooms frequently steals personal items from his victims, keeping them as trophies. During his latest feeding period in 1993, Tooms is pursued by Mulder and Scully. Tooms decides on Scully as his final victim and breaks into her home in an attempt to murder her, only for Mulder to arrive. The two are able to incapacitate Tooms and he is subsequently incarcerated in a sanitarium. Tooms is later released and resumes his job as a dog catcher while staying at a halfway house. Tooms's efforts to feed on another victim are hampered by Mulder's vigilance. After framing Mulder for assaulting him and filing a restraining order against him, Tooms murders and feeds on his psychologist. Mulder and Scully track Tooms down to beneath a mall built over his