How many movies have Frank Welker and J. David Stem collaborated on?

They have worked on 4 movies together! Their first movie together was The Rugrats Movie (1998) and was their highest rated movie together. They have not worked together since The Smurfs 2 (2013). They are most known for their animation films together.

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Azrael (voice)
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Azrael (voice)
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Spike / Monkeys / Scar Snout (voice) (uncredited)
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