Academy-Award nominated director and animator Fowler is on a whirlwind tour with the third Sonic, which is released on Dec. 20. During a London stopover, he sat down with Deadline to talk about the new movie, its starry cast, what might come next in the world of Sonic… and his special relationship with Shadow.

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Sonic the Hedgehog 3 is much like Sonic x Shadow Generations, really, in that it's the best the Sonic film franchise has ever been, but the blue blur has once again been overshadowed. Shadow the Hedgehog is Sonic's darker,