Dr. Edward Morbius is a fictional character from the Marvel Comics universe, primarily known as a scientist and anti-hero. He first appeared in The Amazing Spider-Man #101 in 1971. Morbius is often depicted as a biochemist who, in an attempt to cure his rare blood disease, undergoes an experiment that leads to him developing vampiric abilities, including superhuman strength and a thirst for blood. As a result of his transformation, Morbius struggles with his new identity and the moral implications of his actions. He is frequently portrayed as a tragic figure, caught between his desire to do good and the monstrous nature of his powers. Morbius has appeared in various comic series and adaptations, including animated shows and films.