FBI Special Agent Fox Mulder was known for his unshakable belief in the supernatural and the existence of intelligent extraterrestrial life.
The character's obsession with unexplainable phenomena was what drove him through the series. It's the reason he was working on the X-Files to begin with. And he was even abducted by aliens himself in the season seven finale.
But David Duchovny, the actor who played him for 9 years, still remains unconvinced about the possibility of alien life.
"When you started making X-Files and there was all that zeitgeist happening, how much UFO research did you find to be actually interesting enough to believe in?" Reggie Watts asked Duchovny recently on The Late Late Show with James Corden.
"I remember I used to try to answer my fan mail because there wasn't much of it, and they would bring it to me. There were stories that people would tell me about being abducted," revealed Duchovny. "They would just make me sad. I thought that these people had issues that they had to deal with."
"So the answer is: no and never!" he concluded.
Duchovny will have to mask all those sceptical thoughts soon though, as he's back on set filming another season of the hit sci-fi series with Gillian Anderson.
The duo are currently in Vancouver shooting the revival, which is set to air in January 2016.