Thrax

Thrax (voiced by Laurence Fishburne) is a serial killer virus called *The Red Death* and the main antagonist in Twilight and Kyle's meets Osmosis Jones. Thrax planned to kill Frank in two days' time to break a medical record, but Twilight, Kyle and Ozzy managed to stop him when he fell in a dish of alcohol. He is also recurring foe of Jeffrey, Jaden and their friends known as the Justice Guardians.

He is now part of the Heylin side.