Tom Thumb, n.All

Tom Thumb (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the harmless youngest of seven who leads his brothers to the ogre's lair — a bringer of good and bad luck, and so the ogre himself.