Because you like Lizzie McGuire in Lizzie McGuire
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
A gentle alchemist who is soul-bound to a giant suit of armor, Alphonse Elric is growing into the responsibility handed to him. See them in Fullmetal Alchemist.
Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.
Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.
Neurotic, motherly, and oh-so organized, Monica Geller is everyone’s favorite hostess, keen on settling down and starting a family - perhaps too much so. See them in Friends.
Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.
Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.
It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.
Whether he’s hacking or dodging a bullet, Neo has a poker face that never drops. And it doesn’t hurt that he’s prophesied to be "The One" to save humanity. See them in The Matrix.