

Nightmare's realm is not part of The Mindscape, but the Sleepwalkers are aware of him and consider him an enemy. She was conceived when Nightmare impregnated a succubus named Zhilla Char. Nightmare is the father of the Dreamqueen, a similar being who rules her own "dream dimension". Their plans were undone when D'Spayre tricks him into competing with the Dweller-in-Darkness over who could frighten humanity more. Nightmare also served under Shuma-Gorath and warned Strange that the demon would be a force that even the Sorcerer Supreme would have trouble defeating, and he once joined the Fear Lords, a group of supernatural creatures who fed on fear, to attack Dr. Nightmare has run afoul of Spider-Man, Captain America, Ghost Rider, Dazzler, Wolverine, the Hulk, and Squirrel Girl on different occasions. At one point Strange and Nightmare had to join forces to prevent that from happening. Without this ability, Nightmare would cease to exist, but humanity would go insane. Nightmare is dependent on the human race's need to dream.

Nightmare is a demon from the dimension Everinnye, like his "cousin", the Dweller-in-Darkness. When Doctor Strange forgot to recite a spell before he slept, Nightmare started tormenting him, before Strange was freed after tricking Nightmare by casting an illusion of one of Nightmare's enemies. Later Nightmare imprisons several humans in his dimension, but Strange frees them. He was the first foe met by Doctor Strange when a man who was having troubling dreams went to Strange for help, though it is revealed this is due to him committing a murder. He appears as a chalk-white man with wild green hair, a green bodysuit, and a ragged cape. He roams this realm on his demonic black horned horse named Dreamstalker. He is the evil ruler of a "Dream Dimension", where tormented humans are brought during their sleep. Strange) and was created by Stan Lee and Steve Ditko. Nightmare first appeared in Strange Tales #110 (the first appearance of his enemy, Dr. He can drain the psychic energies from the subconscious minds of dreaming beings. He is also part of the group called The Six Fingered Hand. Nightmare is the ruler of a Dream Dimension and he is one of the Fear Lords. The character is depicted most commonly as a major enemy of Doctor Strange and Ghost Rider. He first appeared in Strange Tales #110 and was created by Stan Lee and Steve Ditko. Nightmare is a fictional supervillain appearing in American comic books published by Marvel Comics. Textless cover for The Incredible Hercules #118 (August 2008).
