Hooligan

Hooligan is a dog running around in the caverns of Little Lamplight.

Background
Hooligan is found wandering around with fellow Little Lamplight dogs Ginger, Rex, Bandit, Pete, and Muttface.

Appearances
Hooligan appears only in Fallout 3.

Behind the scenes
Fallout 3 developer Fred Zeleny had a dog named Hooligan.