According to the Broadway musical The Producers, Adolf Hitler's full name.
Franz Liebkind: *Wagging his finger* Never, Never, Never!
Leo Bloom, Max Bialystock: *Flipping Franz off* Never, Never, Never!
Franz Liebkind: Dishoner ze spirit und ze memory of Adolf Elizabeth Hitler.
Leo Bloom, Max Bialystock: Dishonor the spirit und ze... Elizabeth?
Franz Liebkind: Jah. Dat vas his middle name. Not many people know zis, but der Fuhrer vas descended from a long line of English qveens.
Max Bialystock: Is that right?
Leo Bloom, Max Bialystock: *shrugging* Adolf Elizabeth Hitler.
Zombies. As defined by Bart Simpson.
(Upon trying to raise their pet, Snowball I, from the dead)
Lisa: Bart! You cast the wrong spell! Zombies!
Bart: Please, Lisa, they prefer to be called "the living impaired."