Because you like Charlie Bucket in Charlie and the Chocolate Factory
Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.
A formerly adventurous playboy, Will Traynor has become cynical by what life has thrown at him. See them in Me Before You.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Ted Mosby is a hopelessly romantic architect in search of someone to be the mother of his children. See them in How I Met Your Mother.