In Greek mythology, Phobetor ("frightening") was a son of Hypnos and one of the Oneiroi. He was the personification of nightmares and appeared in dreams in the form of animals or monsters. He was also referred to as "Icelus" or "Icelos".

Ovid XI, 640.

Greek gods

Phobetor | Phobétor | Fobetoras | Phobetor