The Ink Thief is the main antagonist of the 1994 CITV show of the same name. He is played by Richard O'Brien.

He is a powerful being who has the ability to steal the power of children's imagination by taking ink from drawings.

He brings two children named Jim and Sarah into his world inhabited by Oobs and other creatures of imagination. Jim is soon seduced by The Ink Thief whilst Sarah goes out to defeat him.