It was created byChris Carterand also led to two spin-off series,MillenniumandThe Lone Gunmen.

AnX-Filesreboot is rumoredto be in the works, withRyan Cooglerat the helm.

He later became a Russian agent, then died in Season 9 after being shot in the head.

A custom image and close up of Gillian Anderson as Scully and David Duchovny as Mulder from The X-Files

Image by Zanda Rice

She and Doggett were longtime friends, and Reyes worked on the case of Doggetts missing son.

She was known for her hippie-like New Age beliefs.

She eventually left the FBI, and in the revival seasons, she worked for the Cigarette Smoking Man.

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Although her New Age tendencies could come off silly, her sincerity made her endearing.

His real name was thought to be C.G.B.

Spender, but it was likely that this was just one of a number of aliases.

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Its hard to imagine the series without him.

He was shrouded in mystery, especially in the first seasonhe didnt even speak until later in the season.

Whether he spoke or not, though, he was a great villain, played wonderfully by Davis.

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He was killed in the Season 1 finale as part of an exchange gone wrong to save Mulders life.

Deep Throat was one of the shows best characters, and his time on the show was tragically short.

X was also a member of the Men in Black.

Alex Krycek (Nicholas Lea) looking straight ahead in ‘The X-Files’

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Out of all Mulders informants, X was the best.

And while his death was unfortunate, his final moments were among themost memorable moments inThe X-Files.

While no one could match Mulder and Scullys chemistry, Doggett and Scully still had a great working relationship.

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He also appeared on the spin-offThe Lone Gunmen.

Despite frequently being frustrated with Mulder,Skinner remained one of his allies and tolerated a lot from him.

With their impressive array of technology, they often helped Mulder and Scully on difficult cases.

The Cigarette Smoking Man (William B. Davis) sits within his government office in ‘The X-Files’ episode “Musings of a Cigarette Smoking Man."

Image via Fox

He was abducted himself and presumed dead in Season 7.

His belief in the paranormal and work on the X-Files earned him the nickname Spooky.

After Mulder disappeared, Agent John Doggett was assigned to work with her.

Deep Throat in ‘The X-Files’ Season 1 finale, “The Erlenmeyer Flask”.

Image via Fox

The X-Filesfeatured plenty of fascinating characters, but Scully was one of the best.

NEXT:Every Season of ‘The X-Files,’ Ranked

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Robert Patrick as John Doggett in The X-Files

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Mitch Pileggi as Skinner in suit looking at camera in The X-Files

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The Lone Gunmen, John Fitzgerald Byers (Bruce Harwood), Melvin Frohike (Tom Braidwood), and Richard “Ringo” Langly (Dean Haglund), as they appear on ‘The X-Files.'

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David Duchovny as Fox Mulder holding a jacket over his shoulder, and looking at something off-camera.

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Gillian Anderson as Dana Scully standing under an umbrella in the X-Files episode, “Die Hand Die Everletzt.'

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The X-Files