Because you like Peter Pevensie in The Chronicles of Narnia

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

A Wakandan spy, Nakia is capable, caring, and just the right amount of stubborn. See them in Marvel Cinematic Universe.

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.

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.

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.

Wendy Darling loves storytelling and flying. See them in Peter Pan.

This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.

A brave but pessimistic nobleman, Boromir knows one does not simply walk into Mordor. See them in The Lord of the Rings.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.