Allen Swift passed away recently. He was the voice of Terrytoons' Mighty Mouse, Underdog villain Simon Bar Sinister, and General Patton in the film 'the Longest Day.' The New York Times wrote a nice piece about him, which you can read here.
Swift filled in as the voice of Howdy Doody,
as seen here.
More famously, Swift was the voice of rodents' answer to Superman: Mighty Mouse! Here's a vintage commercial featuring the tiny titan.
Swift switched roles from hero to villain, as Simon Bar Sinister in the Underdog television series.
Like so many voice-actors, Allen Swift was not a household name, but he was a household voice. And his characters live on through television and DVD.