Because you like Charlie Bucket in Charlie and the Chocolate Factory
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.
Innately shy, Ginny Weasley is growing into a feisty, independent spirit. See them in Harry Potter Series.
Belle is an adventurous, intelligent fairy tale maiden who strives to see the best in everyone. See them in Once Upon a Time.
Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
He may forget his homework, lose his toad, and fall off brooms, but Neville Longbottom can also single-handedly destroy villains. See them in Harry Potter Series.
Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.