Malevolent Doctors and Nurses/Examples

Movies

 * Dr. Applecheek (Tom and Jerry: The Movie).
 * Dr. Herman Varnick (Beethoven).
 * Dr. Hannibal Lecter (The Silence of the Lambs).
 * Dr. Evil (Austin Powers).
 * Professor Krassman (The Muppet Movie).

Western Animation

 * The Cruel Veterinarian (Courage the Cowardly Dog).
 * Doctor Doctor (The Secret Show).

TV

 * Dr. Martin Brenner (Stranger Things).

Videogames

 * Dr. Eggman (also known as Dr. Robotnik) (Sonic the Hedgehog).
 * Mega Man:
 * Dr. Albert W. Wily
 * Dr. Cossack
 * Dr. Doppler
 * Crash Bandicoot:
 * Dr. Neo Cortex
 * Dr. Nitrus Brio
 * Dr. N. Gin
 * Dr. Nefarious Tropy
 * Professor Monkey-For-A-Head (Earthworm Jim).
 * Dr. Kiln (Clayfighter).
 * Professor Gutentaag (Freaky Flyers).
 * The Medic (Team Fortress 2).
 * Skullgirls:
 * Valentine
 * Brain Drain

Literature

 * Dr. Moreau (The Island of Dr. Moreau).
 * Annie Wilkes (Misery).
 * Dr. Christian Szell (Marathon Man).