Conversation so far:
What kind of personality does Pinhead (Hellraiser) have?
According to Clive Barker, his intended portrayal of Pinhead as an articulate and intelligent character was initially not well received by the producers.

Question: What did they end up doing?
Self-contained rewrite: What did the producers of the film Hellraiser end up doing about Pinhead's (Hellraiser) personality?