What idea for a cameo-appearance featuring Peter Cullen do you think would have worked well in any of the three Transformers films? Here are mine: The scene in which Optimus scans the long-nose truck could have been done a bit differently. Peter Cullen could have been the driver of the truck that Optimus scans and the camera could have been positioned in such a way that gives a clear shot of his face as he drives by when Optimus scans it. It would have been subtle, but powerful. There could have also been a scene in ROTF or DOTM in which Optimus is driving along and Peter Cullen happens to drive by him in the original truck that Optimus scans. In this scene, Peter would look at Optimus (in truck mode) with a puzzled face and say, I thought I had a custom paint-job.