Because you like Spot in The Good Dinosaur
Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.
Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
When it comes to Haruko Haruhara, there's more to the pink-haired biker than meets the eye. See them in FLCL.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
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.
Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.