Because you like Juliet Capulet in Romeo & Juliet
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.
If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.
Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.
Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.
Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.