Because you like Sheldon J. Plankton in SpongeBob SquarePants

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.

Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

Effy Stonem is cool and collected with a wry smile on her face and a cigarette between her lips. See them in Skins.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.

Member of the student council, captain of the fencing team, and part-time model, Juri Arisugawa is idolized by everyone around her. See them in Revolutionary Girl Utena.

Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.

Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.

As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.

Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.

A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.