Because you like Charlie Gordon in Flowers for Algernon

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.

A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.

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.

Otis Milburn's mom is a sex therapist, which doesn't help when it comes to being bullied at school. See them in Sex Education.

Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.

Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.

Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.

The chronically bizarre Dwight Schrute is the world’s most dependable assistant to the regional manager. See them in The Office.

Rayman is a fearless hero who flies into action with a propeller on his head and a smile on his face. See them in Rayman.

Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.