They are ascribed great knowledge of technology, meteorology, engineering and aerodynamics. They have been said to drink fuel, bore holes in the aircraft, bite through cables, sever fuel lines, slash wings with invisible scissors, and punch and pinch gunners as they line targets up in their sights. On the other hand, they also have been credited with helping pilots to fly badly damaged aircraft to safety.
Various descriptions have been given of gremlins during World War II, some were said to be six inches tall with horns and black leather suction boots, while others looked like a cross between a jack-rabbit and a bull terrier. Still others were humanoid and about one foot tall, wearing ruffled red jackets and green breeches.
