Because you like Mitchell Pritchett in Modern Family
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.
Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
Quirky teen Carly Shay is the director of her own life story. See them in iCarly.
Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.
A sarcastic and nosy tomboy, Stephanie Tanner is understandably not crazy about being the middle child. See them in Full House.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
Li Shang will make a man out of you—even if you're a girl. See them in Mulan.
Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.
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.