How many movies have Fred Willard and Robert Diaz Leroy collaborated on?

They have worked on 1 movie together! Their first movie together was Elvis Is Alive! I Swear I Saw Him Eating Ding Dongs Outside the Piggly Wiggly's (2001) and was their highest rated movie together. They have not worked together since Elvis Is Alive! I Swear I Saw Him Eating Ding Dongs Outside the Piggly Wiggly's (2001).