Because you like Bert in Sesame Street

Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.

Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.

Amy March blends her naturally artistic spirit with a sense of practicality. See them in Little Women.

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.

A believer in the philosophy of Nietzsche, Dwayne Hoover has taken a vow of silence until he becomes a test pilot for the Air Force. See them in Little Miss Sunshine.

A photographic memory is just one of many skills Lexie Grey brings to the table as a surgeon. See them in Grey's Anatomy.