American Dad Wikia

Dugan is a vagrant that is drawn to Roger's Nocturnal Petting Zoo in "Stan's Food Restaurant". Roger is forced to chase him off by spraying him allegedly with urine.

Dugan also breaks into the Smith home in "My Morning Straitjacket" and stabs Steve while Stan is distracted while listening to My Morning Jacket and steals Stan and Francine's lamp in "Less Money, Mo' Problems".

He can be seen waiting to enter the East Langley Soup Kitchen in "Kung Pao Turkey", rummaging through a trash can in Lanceton in "A Nice Night For a Drive" and also living on the streets in Despairtown in "Camp Campawanda".