Tarantella

A mother battles with her son's fear of a monster lurking in the closet, but soon discovers a sinister presence all around her.

The Jester is the titular main antagonist of the horror/thriller analogy short films of the same name. He is an enigmatic and malevolent being who enjoys inducing suffering to individuals he comes across who don't appreciate his own tricks or break the rules of Halloween.

Loner Mark Lewis works at a film studio during the day and, at night, takes racy photographs of women. Also he's making a documentary on fear, which involves recording the reactions of victims as he murders them. He befriends Helen, the daughter of the family living in the apartment below his, and he tells her vaguely about the movie he is making.

The powers of good are pitted against the forces of evil as the Duc de Richelieu wrestles with the charming but deadly Satanist, Mocata, for the soul of his friend. Mocata has the knowledge and the power to summon the forces of darkness and, as the Duc de Richelieu and his friends remain within the protected pentacle, they are subjected to ever-increasing horror until thundering hooves herald the arrival of the Angel of Death.

Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.