Because you like Sheldon J. Plankton in SpongeBob SquarePants

Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

Intelligent Adele is soft spoken yet brimming with emotion. See them in Blue is the Warmest Color.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.

Jules Vaughn likes glitter, sequins, and older men. See them in Euphoria.

Rue is an icy prima ballerina whose obsession with perfection obscures a hidden desire to be loved. See them in Princess Tutu.

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

In love with a daughter of his family's sworn enemies, Romeo Montague must find a way to reconcile his conflicting desires. See them in Romeo & Juliet.

Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.