Because you like Heathcliff in Wuthering Heights
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.
Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.
Wanting more out of life, Pam Beesly has a job she isn't crazy about and is engaged to a guy she's not sure is "The One." See them in The Office.
Cisco Ramon is a proud, enthusiastic member of a superhero support team. See them in DC Extended Universe.
When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.
Otis Milburn's mom is a sex therapist, which doesn't help when it comes to being bullied at school. See them in Sex Education.
Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.
A determined rookie cop , Judy Hopps has her floppy bunny ears to the ground. See them in Zootopia.
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.
Molly Weasley runs a household teeming with magic: gnomes run around the garden, dishes wash themselves, and noisy ghouls rule the attic. See them in Harry Potter Series.