In 2003, about 500 companies around the world were licensed to use Simpsons characters in their advertising.

Besides numerous historical references, they also decorated the walls with The Simpsons characters set in the 19th century.

"Elisha said she felt like a 'Simpsons' character: a woman wearing the same outfit for 10 months."

For inspiration for the crowd scenes in the film, the production staff referenced a poster featuring more than 320 Simpsons characters.

The riders are then dropped down from the sky, encountering various Simpsons characters along the way.

The game has a password system, notably all the passwords are the names of actual Simpsons characters.

The cover artwork for the single features sexual Simpsons characters.

Because of her unusual pointed hair style, many animators consider Lisa the most difficult Simpsons character to draw.

He became the most prevalent Simpsons character on memorabilia, such as T-shirts.

Like most of the other Simpsons characters, Marge's age changes from time to time throughout the show's history.