Because you like Derek Shepherd in Grey's Anatomy
Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Dustin Henderson doesn't let the bullies get to him. He's secure in who he is and that his friends have his back. See them in Stranger Things.
Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.
Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.
Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.
Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.