How many movies have Frank Welker and René Auberjonois acted in together?

They have worked on 6 movies together! Their first movie together was The Little Mermaid (1989) while their highest rated movie together was Scooby-Doo: Agence toutou risques, vol. 1 : Le voleur de vélo (2007). They have not worked together since Chill Out, Scooby-Doo! (2007). They are most known for their animation films together.