Because you like Thomas J. Sennett in My Girl

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Hiro is a free-spirit and remarkable genius who loves bot fighting and problem-solving. See them in Big Hero 6.

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

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

Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.