Giant Bart and Lisa are minor antagonists from the Treehouse of Horror V segment "Time and Punishment".
They are from one of the many alternate timelines accidentally created by Homer when he unintentionally tampered with the timeline.
History[]
When Homer went back in time to erase the timeline were Ned became a big brother expy, he accidentally sat on a walking fish that created another timeline where everything seemed normal at first until a giant person peeped through the window and tore off the roof revealing that Bart and Lisa were giants.
They mistook Homer for "a bug that looks like dad" and tried to squish him by by slamming their fists on him causing Honor to flee in terror and go back to rectify the timeline once again.
