How many movies have Grey DeLisle and Ron Perlman acted in together?

They have worked on 6 movies together! Their first movie together was Scooby-Doo! in Where's My Mummy? (2005) while their highest rated movie together was What's New, Scooby-Doo? Vol. 5: Sports Spooktacular (2005). They have not worked together since The Book of Life (2014). They are most known for their animation films together.