It's called acting, which is just really, really intense pretending. A good actor can pretend their way into numerous roles and situations they aren't familiar with.

Yelling "it's a joke" doesn't make it immune from being dumb and anti-Muslim. Turns out, jokes can be fucking stupid also.

He also went by the name Consequences Creed.

You know, I was going to type this big long thing about how people shouldn't be okay with something just because it's "dark humor" or whatever horseshit people trot out, but honestly, this is all about context. Making a rape joke a hardware store is a bad look, and really there's very few places and contexts where a rape joke can land successfully.
Here's a hot tip: if you have to keep telling people that you're just being funny or defending your humor, you aren't funny. You're just trying to shock people, which is the comedy equivalent of the jump scare.

This isn't satire. It's lazy humor that's been regurgitated and spewed out for decades and hasn't been funny or relevant for about as long.