Crazy, Crazy, Crazy

 is a quest in Fallout: New Vegas.

Detailed walkthrough
You meet a super mutant named Neil. He asks you to help him bring down the Tabitha. Tabitha is a super mutant who rules over Black Mountain. You have to fight you way up the mountain. You will encounter many super mutants and Nightkins. Bring lots of ammo and stimpaks with. Once you reach the summit you can talk to Neil and he will help you fight the rest of the way until you reach the Broadcasting room. Enter the room and go out the back door and look under the stairs and you will find the key to Tabitha's room. Pick it up head up the stairs, open the door and kill Tabitha.