Invasion of the Cartoons is a mod for registered Wolfenstein, made by Ian Summerfield. It was released on May 17, 2005.
36 levels are featured, all fair in size and nicely decorated.
Graphics come from various cartoons, as the title implies. These include the trio from Ed, Edd n Eddy, Family Guy's Lois Griffin, various characters from Spongebob Squarepants and a number of others, including Marcie from Peanuts, who has been added as a new stand-alone enemy, making for a funny and atmospheric gameplay.