Moose was the dog that played the more traditional werewolf who bit Lawrence Talbot in The Wolf Man. (Meaning Moose was playing Bela Lugosi.) Chaney loved the dog and became his owner. Sadly, Moose died during the production of Universal's Cobra Woman when he was run over by a truck.
It's harder to find Bela candids. He was a very serious man, and not given overmuch to fooling around. In this as in many things, Karloff was his opposite. I am AWFUL at recognizing faces. But damn if Bela Jr. as a baby doesn't look exactly like Bela Jr. as an adult. (And also…
Man, I've been saving this one for a while. We have long had solid cinematic evidence of the triceratops' profound ninja skills, but this is further proof.