Because you like The Iron Giant in The Iron Giant
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.
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.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.
A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.
General of the formidable Dora Milaje, Okoye is forced to make the difficult choice of staying loyal by the king’s side, or to her good friend who was overthrown. See them in Marvel Cinematic Universe.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
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.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Donatello might come off as a tad nerdy, but don't let his geekiness fool you. He's a trained ninja and a skilled fighter. See them in Teenage Mutant Ninja Turtles.