Because you like Sheldon J. Plankton in SpongeBob SquarePants

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

A kind and funny valedictorian, Gwen Stacy likes to make out with Spider-man when her homework's done. See them in Marvel Cinematic Universe.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.

Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.

Mr. Robot always seems to know what to do when others are lost. But can he be trusted? See them in Mr. Robot.

Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.

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

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

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.

Though the weight of a secret robs her of her voice, Melinda is nevertheless artistic, intelligent, and empathetic. See them in Speak .