Because you like Pearl in Steven Universe
Patrick Star enjoys life's simple pleasures because he can't wrap his brain around anything more complicated. See them in SpongeBob SquarePants.
Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.
Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
Vanellope von Schweetz is princess of the Sugar Rush game who could care less about being royal. See them in Wreck it Ralph.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.