Quinn is a mysterious resident of Vault 4 who lives alone in a locked, dirty room. None of the other residents acknowledge his existence. The player first discovers Quinn when another vault resident, Constantine Campbell, tells the player that the entire vault is a simulation and Quinn’s room contains the control room. When the player gains access to the room Quinn will tell them the story of Mr. Abominable, a monster which lives in the western foothills. Quinn has approximately 38 lines.

Line 01 context: Apologising to the player for his dirty room.

Line 02 context: Laughs when the player tells him that they were sent there by the crazy resident, Campbell, thinking there was a computer control terminal in his room.

Line 03 context: Lowered voice. Quinn is telling a spooky story.