Because you like Rin Matsuoka in Free! Iwatobi Swim Club
Tattoos, bad boys, and heroin: Jane Margolis is learning that some vices are more dangerous than others. See them in Breaking Bad.
Humble, caring, and protective, Scott McCall tries to make the best of his newfound status as a werewolf. See them in Teen Wolf.
Galina Reznikov is the head chef of prison, cooking up meals as well as storms on anyone who dares to cross her; even the guards are terrified of her. See them in Orange Is The New Black.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
A man of the court, Lord Varys knows how to manipulate it better than anyone. See them in Game of Thrones.
Kenny McCormick is a boy of few words who likes nudie mags, NASCAR, monster trucks, origami, and Peruvian pan flute bands. See them in South Park.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.