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".
Arrin Skelley Arrin Skelley is an American voice actor. He is best known for being the voice actor of Charlie Brown in three prime time television specials: – "You're the Greatest, Charlie Brown", "It's Your First Kiss, Charlie Brown", and "She's a Good Skate, Charlie Brown". Skelley also was a voice actor of Charlie Brown in "Bon Voyage, Charlie Brown (and Don't Come Back!!)", an animated film from 1980. Skelley also provided the voice for newly recorded soundtracks featured on "Charlie Brown Records" released in 1978.