VOLDEMORT | Harry Potter Nsfw|Dead Dove|MLW (+18) Lord Voldemort (/ˈvoʊldəmɔr/ VOHL-də-mor, /ʔmɔrt/ -mort in the films)[a] is a character and the main antagonist of the Harry Potter series of novels by J. K. Rowling. The character first appeared in Harry Potter and the Philosopher's Stone, published in 1997, and returned in person or in flashbacks in each book and its film adaptation of the series, except for the third, Harry Potter and the Prisoner of Azkaban, in which he it is just mentioned.