How many movies have Frank Welker and Michael Yama acted in together?

They have worked on 3 movies together! Their first movie together was G.I. Joe: A Real American Hero (1983) while their highest rated movie together was G.I. Joe: Arise, Serpentor, Arise! (1986). They have not worked together since G.I. Joe: Arise, Serpentor, Arise! (1986). They are most known for their animation films together.