Because you like Prussia in Axis Powers Hetalia
Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
Chuckie Finster is a baby afraid of everything from clowns to closets, unless his best friend's by his side. See them in Rugrats.
Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.
Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.
Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.
Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.