The Wolf is a character from one of Tex Avery's MGM cartoons, "Red Hot Riding Hood." He appears as a lamp decoration in Stanley Ipkiss' apartment and on his TV in The Mask (1994). Later in the film, The Mask emulates the wolf's howling and physical humor while watching Tina Carlyle at the Coco Bongo.
The Wolf also makes several appearances in Stanley's apartment as it appears in The Mask: The Animated Series. He is depicted on a poster labeled "Bad Wolf."