Because you like Arthur in Merlin
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.
Popular jock Andrew Clark is pretty bizarre. He's just better at hiding it, that's all. See them in The Breakfast Club.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Though she has the normal insecurities of a 15-year-old, Aurora is both courageous and empathetic. See them in Maleficent.
When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Donna Meagle has a Benz, a fool-proof strategy to pick up men, and the number for R&B star Ginuine's direct line. Enough said. See them in Parks and Recreation.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.