How many movies have Frank Welker and Jim Whitaker collaborated on?

They have worked on 3 movies together! Their first movie together was Nutty Professor II: The Klumps (2000) while their highest rated movie together was Curious George 2: Follow That Monkey! (2009). They have not worked together since Curious George 2: Follow That Monkey! (2009). They are most known for their comedy films together.