Nate Simms was an Australian student living on Earth. In 1994 he was kidnapped and experimented on by the Euterpian Godwanna. Simms' mind was destroyed, and later he was killed by Atimkos. (PROSE: Invasion of the Cat-People)
Behind the scenes
Gary Russell named Steve Macintosh as his preference for who would play the character in an imaginary film version of Invasion of the Cat People.