The Ymir and Kong before him are both creatures wrenched from their natural environment against their will and finally killed by man. Although these … - Ray Harryhausen

Although Gwangi had been an allosaurus in Obie's version, I decided to make him more of a tyrannosaurus, and so I used elements from both species to make what I suppose could be called a 'tyrannosaurus al'. This combination allowed me a flexibility between aggressiveness and agility. If you like, he was glamourized.

We don't set out to deliberately scare with our creatures, we try to make them as awe-inspiring as possible.

I suppose we would be monsters to a Venusian. [...] We depicted the outer space creature as something strange rather than as a monster. He was from a strange place and therefore out of place in our familiar surroundings.