Vlad Masters, better known as Vlad Plasmius, is the main antagonist of Nickelodeon's animated series Danny Phantom. He is Danny's main arch-nemesis, Jack Fenton's former best friend, and Maddie's former love interest, the former two's rival. He later becomes one of the most hated men on Earth after he finally reveals his true nature as a ghost.
He was voiced by Martin Mull.