The lore behind the Terrifier franchise grows with each entry, giving rise to plenty of fan theories. While some are more credible than others, an increasing number of viewers are convinced that the series’ infamous antagonist, Art the Clown (David Howard Thorton), is more than what he seems. Specifically, there seems to be a growing case that he has a surprising connection to Sienna Shaw, the undisputed heroine of the first three films, through her father.