Because you like Claire Stanfield in Baccano!
As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..
Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.
SpongeBob SquarePants lives in a pineapple under the sea. Absorbent and yellow and porous is he. See them in SpongeBob SquarePants.
His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.
Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.
Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.