Because you like Danno Williams in Hawaii Five-O
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.
A blood-thirsty warrior on the battlefield, Ragnar Lothbrok is a dedicated family-man at home. See them in Vikings.
A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.
Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.
Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.
Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.
Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.
A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.