Because you like Optimus Prime in Transformers

Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.

Morpheus is wise enough to see into the bones of the world. See them in The Matrix.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

Billy Batson is a troublemaking teen grappling with a pretty weird superhero identity crisis See them in DC Extended Universe.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.

Peter Pan is a boy who never grew up. See them in Peter Pan.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

If you believe if fairies, you better believe in Tinkerbell. See them in Peter Pan.

T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.

As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.