Who doesn't need a prank call from Optimus Prime now and then? Around the release of the Transformers movie last year you could send a customized voice message from Optimus Prime using Peter Cullen's voice.
It's been re-launched for the Blu-ray release of the movie.
Check it out http://www.transformersmovie.com!
Martin
w/ Transformers!
Optimus Prime is Calling
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