Joe Cobb

 is the leader of a group of escaped convicts that make up one of the local Powder Gangers in 2281.

Background
He is looking for a man named Ringo, who has taken refuge at Goodsprings.

Interactions with the player character
The Courier can assist him in attacking Goodsprings, or kill him and save Goodsprings from his gang.

Appearances
appears in Fallout: New Vegas.