Because you like Newman in Seinfeld
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.
Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.
Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.