Because you like Preston Burke in Grey's Anatomy
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
Assistant to the demanding editor-in-chief, Emily Charlton comes across as cold and insensitive. But who can blame her? See them in The Devil Wears Prada.
Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.
Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.
A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.
Often on the verge of a nervous breakdown, Annie Edison nevertheless manages to be the brain of the Greendale study group. See them in Community.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.