The Marx Brothers
Wikisimpsons - The Simpsons Wiki
The Marx Brothers were an Jewish American comedy team who made several films during the 1930s and 1940s. The most prominent members were Groucho Marx, Harpo Marx, and Chico Marx. They have been referenced a multiple times in The Simpsons.
References to The Marx Brothers in The Simpsons
References to The Marx Brothers in Simpsons Comics