In which year, did this earliest guest star in 1999 for SpongeBob SquarePants stop providing the voice?
Mermaid Man and Barnacle Boy Mermaid Man and Barnacle Boy are fictional superheroes in the Nickelodeon animated television series "SpongeBob SquarePants". Mermaid Man was voiced by Ernest Borgnine from 1999 to his death in 2012, and Barnacle Boy is voiced by Tim Conway. Mermaid Man and Barnacle Boy were created and designed by Stephen Hillenburg. The characters debuted on August 21, 1999 in the series' episode "Mermaid Man and Barnacle Boy".
Sandy Becker George Sanford Becker (February 19, 1922 – April 9, 1996), who was known professionally as Sandy Becker, was a television announcer, actor, and comedian who hosted several popular children's programs in New York City. The best known of these was "The Sandy Becker Show", which ran from 1955 to 1968 on Channel 5 WABD-TV and WNEW-TV.