From the movie Treasure Planet, based off the book, Treasure Island.
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John Silver, as he is known, is identified as the alien species Ursid, but is also a cyborg (cybernetic organism); his right arm, leg, and eye are replaced with cybernetic prosthetics and enhancements, all of which contain a myriad of functions.

Silver is rather greedy, cunning, traitorous, and manipulative, having spent most of his life searching for the treasure of Captain Flint, but he has a caring side, too, and understands that friendship can be more important than treasure.

He dislikes unnecessary acts of violence and cruelty, originally intending to mutiny only after the treasure was in hand and thus, avoiding bloodshed as much as possible, and is generally honest and honorable in his piratical dealings.

Nonetheless, he maintains a constant air of harsh brutality and deceptiveness around his crewmates, understandably necessary to maintain his position as their leader.

"You give up a few things... chasing a dream."