Because you like Robert Chase in House M.D.

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

Socialite-turned-runaway-turned-waitress, Rachel Green is the legendary story of riches to rags, trying to work her way up again with the help of her friends. See them in Friends.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.