Two prominent The Lord of the Rings characters lost a finger: the story's main antagonist, Sauron, and its protagonist, Frodo Baggins. Sauron lost a finger at the end of the War of the Last ...

Gollum then finds him, despite the Ring’s having made Frodo invisible, bites it off Frodo’s finger, and takes it for himself. The book and film more or less show this same sequence of events.