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".
Hello Gutter, Hello Fadder "Hello Gutter, Hello Fadder" is the sixth episode of the eleventh season of the American animated sitcom "The Simpsons". It originally aired on the Fox network in the United States on November 14, 1999. In the episode, Homer becomes a local celebrity after bowling a perfect game, but his fame quickly fades as "yesterday's news". After a botched suicide attempt, Homer decides to spend time with Maggie after seeing Ron Howard spend time with his children. Howard guest starred as himself in the episode, which also features guest appearances by Penn & Teller, Pat O'Brien, and Nancy O'Dell.