A marine biologist made a cartoon about a sponge with a job and it's now the most quoted show alive.
Fun fact: The character was originally named SpongeBoy until a mop company was found to own the trademark.
You fight your way out of the underworld, die, and do it again, which is weirdly more fun than it sounds.
Fun fact: First video game to win a Hugo Award, a prize normally reserved for science fiction literature.