The head of the alien, also hugely memorable and innovative had about 900 moving parts and joints. The face actually used some genuine portions of human skull. And that slimy look?: K-Y Jelly. Yup.

You know that bit in the film where they find out Ash is decapitated and they find out he’s a robot?:

The stuff that comprised his innards consisted of milk, caviar, pasta, and glass marbles. So there.

Giger’s work is in part inspired by his own personal night terrors and sleep disorders which kind of makes sense.

He received an Oscar for his work on Alien in 1980 and has made multiple album covers for bands; his art definitely suits music of the metal variety and has appeared on covers for Carcass, Celtic Frost, Danzig and the Dead Kennedys. He was also commissioned to make a microphone stand for Korn’s front-man Jonathon Davis.

Whether you dig Giger’s bio-mechanical art or not, you can’t help but be impressed by the depth and breadth of dark imagery he’s puked out of his brain.

☛ Read Next: Teeny Tiny Real Life Alien Found In Chile