Dr. Hannibal Lecter is a character created by American novelist Thomas Harris. Lecter is a brilliant, cannibalistic serial killer and former forensic psychiatrist; after his incarceration, he is consulted by FBI agents Will Graham and Clarice Starling to help them find other serial killers. Lecter first appeared in a small role as a villain in Harris' 1981 thriller novel Red Dragon, which was adapted into the film Manhunter (1986), with Brian Cox as Lecter (spelled "Lecktor").
https://en.wikipedia.org/wiki/Hannibal_Lecter