It is impossible to overstate the impact of James Whale’s Frankenstein (1931) and how Boris Karloff’s stunning box-headed Monster became an instant icon, recognized the world over. In short order, The Monster was sampled in cartoons and films as a reference or a comedy foil, appearing with, among others, Betty Boop, Mickey Mouse, the Ritz Brothers and Olsen and Johnson.
When O’Regan starts to leave, the Frankenstein character holds her back: “You’ve forgotten your pudding, Madam!”. She turns and we get a tight closeup of The Monster. Watch the reaction.
The Monster appears on a lobby card for Thursday's Child (1943)
Dance Hall Frankenstein