Because you like Sebastian Flyte in Brideshead Revisited

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Cynicism is his armor and words are his weapons, but what Tyrion Lannister would really like is some nice wine. See them in Game of Thrones.

Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.

Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Once a lonely hat maker, Sophie Hatter is now cleaning goo from bathtubs and cooking breakfast for the grumpiest wizard in all the land. See them in Howl's Moving Castle.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

Emily Fields has been very guarded, careful of whom she trusts and reveals her secrets to. See them in Pretty Little Liars.

Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.

They say Babydoll has lost her mind. But why does it seem like she's the only sane one in her institution? See them in Sucker Punch.