Because you like Andy Dwyer in Parks and Recreation
A grumpy tourist trap owner, Grunkle Stan has a few deep secrets. See them in Gravity Falls.
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.
Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.
Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.
Luke Skywalker always wanted to leave home, but he didn't expect that it would be as part of a quest to rescue a princess and save the galaxy. See them in Star Wars Series.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.