I watched The Beast from 20,000 Fathoms (1953), a 1953 Warner Brothers film based on the short story, The Fog, by Ray Bradbury (Fahrenheit 451, The Martian Chronicles, The Illustrated Man) on Svengoolie. This a Ray Harryhausen stop-motion creature, the fictional Rhedosaurus, inspired by King Kong, the head of a T-Rex, the body of an Iguana and crocodile features. In the movie it appears to be 200 feet long but the model was actually only 30 inches.
I watched the 1949 RKO Radio Pictures fantasy film “Mighty Joe Young” on Svengoolie. It was written and produced by Merian C. Cooper (1933 King Kong) and directed by Ernest B. Schoedsack (King Kong, Son of Kong, Dr. Cyclops). Animation effects were handled by Ray Harryhausen (visual effects creator, writer and producer who created a form of stop motion model animation known as “Dynamation”, The 7th Voyage of Sinbad, Mysterious Island, Jason and the Argonauts, One Million Years B.C., The