Complex sentence: Bernardi was a noted voiceover artist and narrator with hundreds of films, commercials and cartoons to his credit and was the original voice of StarKist Tuna animated character, "Charlie the Tuna".
Split into simpler sentences: Bernardi was a noted voiceover artist and narrator with hundreds of films, commercials and cartoons to his credit. He was the original voice of StarKist Tuna animated character, "Charlie the Tuna".