In the movie Peter Pan, Captain Hook is called Captain Hook because he has a hook hand and is a ship captain, similar to how my friends call me Mr Micropenis

In the movie Peter Pan, Captain Hook is called Captain Hook

Captain Hook, Wiki

Peter Pan & Wendy': 10 On-Screen Captain Hooks, Ranked

Captain Hook, Wiki

Captain Hook - Wikipedia

Why J. M. Barrie Created Peter Pan

Peter Pan, 8

Captain Hook Gets Offended comedy, The Walt Disney Company

Captain Hook - SNL

Captain Hook doesn't like his nickname #hook #peterpan

Captain Hook, Wiki

Hook Kidz Showz

Captain Hook (Character) - Comic Vine