Pinhead is a character in the series based on the novels by which English author?
Pinhead (Hellraiser): Pinhead is a fictional character from the "Hellraiser" series. Hellraiser (franchise):  The franchise is based on the novella "The Hellbound Heart" by English author Clive Barker, who would go on to write and direct the adaptation of his story, titled "Hellraiser".
Clive Barker