"Why rule the world? When you can rule the entire universe." - Umbrus Umbrus is one of the main antagonists of Danny Phantom: Wraith. A mysterious character posing as a man under the alias of Anton Roarke, Umbrus is really a powerful ghost and was the CEO of Roarke industries. He wishes to create an army of half ghosts to overthrow the humans. He is also the one who modified Rick's powers. He is voiced by Corey Burton.