Because you like Alex Russo in Wizards of Waverly Place
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
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.
Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.
Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.
Poussey Washington is a former army brat who loves to read and loves her friends. See them in Orange Is The New Black.
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.
A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
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.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.