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Warren Graff is an American writer who has written for various television shows, the most well-known being Happy Tree Friends. He is best known in the Sonic community as the co-writer of various Sonic the Hedgehog games, often working alongside Ken Pontac.




  1. SSF1991 (24 June 2015). Ken Pontac & Warren Graff Writing Story For Sonic Boom: Fire & Ice. Retrieved on 6 October 2016.