Fox’s two premier animation shows have spent a fair amount of time sniping at each other (see in particular, the Simpsons episodes ‘Italian Bob’ and ‘Treehouse of Horror XIII’ and the climax of the intro to Family Guy’s ‘PTV’) but it’s taken an amateur YouTuber to bring harmony to the franchises by animating the opening titles to one cartoon with the characters of the other. And it’s pretty bloody good…