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 player can assist him in attacking a town, or kill him and save Goodsprings from his gang.

Appearances
appears in Fallout: New Vegas.