Because you like Danny Castellano in The Mindy Project

Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.

Years of being a social outcast have taken a toll, but Elphaba is willing to be wicked if it means she can do good. See them in Wicked .

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Jim Halpert is a master at the art of making it through the work day, including participating in an office Olympics. See them in The Office.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..