The Adventures of Pete and Pete (Tattoo Paradox)
What Arm was Petunia Tattooed on?
In the opening credits of the show, Petunia appears on little Pete's left arm, but then it seems to alternate in various episodes.
Unless - perhaps - maybe the joke is implied that Pete got her on BOTH arms so if his parents had found a way for him to get rid of her, he'd have a back up.
Anyway, which arm is it?
"...and that's all I got to say about that." -Forrest Gump