It isn’t your parents…it’s the skinned remains of your people…they have been killed for there meat and fur and your the only monster left in this world
At first, cookie monster was confused why god sent him to hell, then he realized that all the sinners had been turned into cookies, he wasn't being punished, he WAS the punishment.
It’s like a horrifying family reunion, I guess that’s all of them though. I bet if someone yelled “cookie” they’d be plowed through and killed by the mob of cookie monsters.