Vlad Plasmius is a fictional character from the animated television series Danny Phantom. He is a half-ghost and serves as one of the main antagonists in the show. Vlad is known for his intelligence, cunning nature, and his ability to manipulate ghostly powers. He often seeks to defeat Danny Fenton, the show's protagonist, who transforms into Danny Phantom. Vlad Plasmius has a complex backstory, having been a former mentor to Danny's father, Jack Fenton. His character is driven by a desire for power and revenge, particularly against the Fenton family. Vlad's ghostly abilities include flight, energy blasts, and shapeshifting, making him a formidable foe for Danny.