Because you like Gideon Gleeful in Gravity Falls
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
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.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.
If it means fulfilling her ambitions, Satsuki Kiryuin will show neither shame nor hesitation. See them in Kill la Kill.
A brilliant intelligence officer, Eve Polastri seems more like Bridget Jones than James Bond. See them in Killing Eve.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.
Eric Forman's interests include smoking weed, collecting Luke Skywalker memorabilia, eating Fatso burgers, and making his dad mad. See them in That '70s Show.