In addition to his onscreen work, Nelson was an in-demand voiceover artist for animated cartoons, appearing on "The Flintstones", "The Jetsons" and as Governor Wetworth on "The Snorks" among other programs.
In addition to his onscreen work, Nelson was an in-demand voiceover artist for animated cartoons. In television cartoons, he worked on "The Flintstones", "The Jetsons" and as Governor Wetworth on "The Snorks" among other programs.