Dick Roman (Omniverse)

Dick Roman is The Leviathan in human form in the series: Power Rangers: Omniverse and the primary antagonist in Chapter 7 of the series.

Biography
Richard "Dick" Roman is a billionaire businessman and is the original Leviathan in human form, having murdered the real Dick Roman shortly after it was unknowingly released by Castiel and spreading it's essence of black ooze to infect other humans and control them.

In human form, The Leviathan/Dick Roman despises all other species, he is shown to have a great hatred of demons that exceeds even his feelings about humanity, rejecting the demon Crowley's offer to join their forces together. Dick told the King of Hell that if he had enough time, he could very well wipe the entire demon race off the face of the Earth. He is also directly responsible for the death of the Ranger, Bobby Singer, as Hunter, Kurt and Bobby had tried to spy on Dick Roman and his plans.