Magnus is the main antagonist in the audio drama Castlevania: Nocturne of Recollection. He is an incubus who takes pleasure in the torture of innocent humans.
One year after the events of Castlevania: Symphony of the Night, Magnus appears and plans to resurrect Dracula's Castle and make Alucard its new lord.
He tries to convince Maria Renard that Alucard is evil, and torments the dhampir in the meantime. He is also responsible for the "Dangerous Potion" that Cyril has.
- The word magnus means "great".