Because you like Russia in Axis Powers Hetalia
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Wise beyond his years, Ashitaka is a dutiful young prince who respects the balance of life. See them in Princess Mononoke.
Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Johannes Betzler is an overwhelmed little boy caught up in deeply confusing times. See them in Jojo Rabbit.
Chuckie Finster is a baby afraid of everything from clowns to closets, unless his best friend's by his side. See them in Rugrats.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.