Stan Lee has sadly passed away at the age of 95.

An ambulance was reportedly called to his Hollywood Hills home on Monday morning (November 12) at he was rushed to Cedars-Sinai Medical Center where he died, TMZ reports.

Stan was responsible for creating many of the beloved Marvel characters you see on screen today. Some of the characters he co-created include Spider-Man, the Hulk, Doctor Strange, the Fantastic Four, Daredevil, Black Panther, the X-Men, and many more.

He has also made a cameo in every Marvel movie.

RIP.