Posted on October 10, 2020January 10, 2021 by Erik Chipchase The Gremlins were at first those evil creatures of RAF mythology related to the breakdowns in the planes. It was precisely a RAF fighter pilot, Roald Dahl, who spread their mischiefs with his “The Gremlins” (1943) book. Artist: Gustaf Tenggren (Collier’s magazine, 1942).