Who first appeared in the first novel in the "Harry Potter" series?
Lord Voldemort: Lord Voldemort ( , or in the films; born Tom Marvolo Riddle) is a fictional character and the main antagonist in J. K. Rowling's series of "Harry Potter" novels. Lord Voldemort:  Voldemort first appeared in "Harry Potter and the Philosopher's Stone", which was released in 1997.
i don't know