Dark Wizards/Examples

Film

 * Disney:
 * The Horned King (The Black Cauldron).
 * Jafar (Aladdin).
 * Dr. Facilier (The Princess and the Frog).
 * Mola Ram (Indiana Jones and the Temple of Doom).
 * Sokurah (The 7th Voyage of Sinbad).
 * Professor Screweyes (We're Back! A Dinosaur's Story).
 * Thulsa Doom (Conan the Barbarian).
 * Jaffar (The Thief of Bagdad).

Cartoons

 * Gargamel (The Smurfs).
 * Scooby-Doo:
 * Ben Ravencroft
 * Krudsky

Comics

 * DC:
 * Felix Faust
 * Marvel:
 * Loki
 * Sonic the Hedgehog:
 * Ixis Naugus
 * Ixis Mogul
 * The Order of Ixis

Television

 * Mr. Gold/Rumplestiltskin (Once Upon a Time).

Anime

 * Zeref Dragneel (Fairy Tail).

Literature

 * Harry Potter
 * Lord Voldemort
 * Barty Crouch, Jr.
 * Gellert Grindelwald
 * Professor Quirinus Quirrell
 * Middle-earth
 * Sauron
 * Saruman
 * Surabhanu (The Conch Bearer).