Because you like Rick Blaine in Casablanca
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.
SpongeBob SquarePants lives in a pineapple under the sea. Absorbent and yellow and porous is he. See them in SpongeBob SquarePants.
Yuki Cross is a cheerful, funny, bold young woman with hidden insecurities. See them in Vampire Knight.
Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.
Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
He's a get rich or die tryin' kind of raccoon. See them in Marvel Cinematic Universe.
Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.
Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.
A formerly timid caterpillar, Kurt Hummel is transforming into a glamorous, confident butterfly. See them in Glee.
Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.