Morpheus is a member of the Council of Nine during the Imaginationland story arc and is killed in battle by Freddy Krueger, from the evil side of Imaginationland. Butters Stotch uses his imagination to revive Morpheus, along with the rest of the good characters.
Morpheus is a bald, dark-skinned man. He wears small round pince-nez sunglasses, a black shirt, a gray vest, a yellow tie, and a dark blue trench coat.
Morpheus has a very serious demeanor and is calm in battles. He speaks with a monotone voice and is not quick to anger.
- "Imaginationland, Episode II" - Seen as a member of the Council of Nine.
- "Imaginationland, Episode III" - Seen as a member of the Council of Nine.
- "Ass Burgers" - Seen being impersonated by the leader of the Secret Society of Cynics.