Gellert Grindelwald

Gellert Grindelwald is a flashback antagonist, yet very important background character and historical figure from the Harry Potter series of books and their film adaptations.

He is also the main antagonist of the prequel series Fantastic Beasts, so far appearing as the main antagonist of the first two instalments.

Grindelwald was an old friend of Albus Dumbledore before his downward spiral into villainy, and considered one of the most powerful and dangerous Dark Wizards of all time, with Lord Voldemort considered to be the only one able to surpass him. Believing that wizardkind was oppressed by the non-magical, Grindelwald sought to establish a new world order in which Witches and Wizards ruled over Muggles, claiming that his actions were "for the greater good".