At KSFO, Sherwood did more than play recordings on his broadcasts; he made fun of the commercials, used sound effects (with the help of a talented engineer named Charlie Smith), occasionally imitated popular singers, and presented a number of regular comic features including "Just Plain Rosita," in which he pretended to translate the story of a Spanish language radio soap opera (actually dialog from a Spanish-language instructional record). He also was the star of a long-running spoof on super heroes called "Super Frog," which relied on music and sound effects. He had a number of sidekicks over the years, including newsman Aaron Edwards (who later was a television news reporter) and fellow disc jockey Carter B. Smith (later heard on KNBR).