Because you like Mario in Super Mario Bros.
In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.
Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.
Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.
Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.
Emily Gilmore is the DAR chair, proud grandmother, and full of opinions. See them in Gilmore Girls.
Once described as a "beautiful, tropical fish," Ann Perkins exudes warmth, and unlike most of her friends she also has common sense. See them in Parks and Recreation.
Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.
Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.
Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.
Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.
Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.