Guns N’ Roses guitarist Slash shared a recent Instagram photo of his old-time friend and founder of his stage name Seymour Cassel.

Unfortunately, Cassel has died on Sunday at 84 years old.

Here is what Slash wrote:

“RIP to my old friend #SeymourCassel.”

You can see Slash’s Instagram photo below:

View this post on Instagram

RIP to my old friend #SeymourCassel

A post shared by Slash (@slash) on

Who is Seymour Cassel?

“Cassel was born in Detroit, Michigan, the son of Pancretia Ann. Seymour was an American actor and nightclub owner. Slash (Saul Hudson) was childhood friends with Cassel’s son, credited Cassel with giving him his nickname, because he was always zipping from one place to another and never sitting still.”

Click here for the source.