|This article is about a subject in the real world.|
Information in this article is about real-life people, companies and objects, and does not relate to the in-universe Sonic series.
Jon St. John was the voice actor for Big the Cat, E-123 Omega and E-102 Chaos Gamma in the Sonic the Hedgehog series. He was replaced in 2005 shortly before the death of Deem Bristow. Outside of Sonic, he was also a radio DJ for Top 40 in North Carolina and has voiced Duke Nukem in the series of the same name since 1995. St. John was also the menu voice (announcer) for Sonic Advance 3.