Because you like Joey Gladstone in Full House
Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
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.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.
The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.
The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.
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.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .