How many movies have Jennifer Hale and Rob Desales collaborated on?

They have worked on 4 movies together! Their first movie together was Scooby-Doo! and the Witch's Ghost (1999) while their highest rated movie together was Billy & Mandy's Big Boogey Adventure (2007). They have not worked together since Billy & Mandy's Big Boogey Adventure (2007). They are most known for their animation films together.