Rover Dangerfield is a 1991 animated film starring the voice talents of comedian Rodney Dangerfield about a street dog named Rover, who is owned by a Las Vegas showgirl. Rover gets dumped off Hoover Dam by the showgirl's boyfriend. However, rather than drowning, Rover ends up on a farm.
In "The Woof of Wall Street", Brian and Stewie find that dogs are the key ingredient in a protein shake company Brian wishes to invest in. Among the dogs present is Rover who performs some of his shtick.