Because you like Steve Smith in American Dad!

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

Where Ash comes from, food and shelter pay for themselves. Even as a penniless vagrant, he is able to pursue his dream of becoming a Pokémon Master See them in Pokemon.

A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.

Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.

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.

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

If it were up to her, Merida would spend her days practicing archery and swordfighting, riding her horse, and exploring the Highlands. See them in Brave.

Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.