Brother and Sister are characters from the British children's television series, Boohbah.

In's Brother and Sister/Beatles crossover song, they decide to sneak into this wiki after the scrapping of Editor's Cut (which makes BigBlueBeastBBB really mad), for they want to do something else with it; make a revised version where they replace all of the Blue Meanie OCs BigBlueBeastBBB has created, because they want more fanart of them.