Emmy award-winning actor Tim Conway, known for voicing Barnacle Boy in Spongebob Squarepants and for starring in The Carol Burnett Show, has died aged 85.

His publicist Howard Bragman confirmed the news, saying Conway died in a care facility in Los Angeles on Tuesday morning (May 14). His wife, Charlene Fusco, and daughter Jackie were at his side.

The cause of death was a disorder in which this is an excess of fluid on the brain, Bragman said.

Conway won three Emmy awards for acting on The Carol Burnett Show and one for writing in the 1960s and '70s.

Tim Conway poses with co-star Harvey Korman after winning Best Supporting Actor Emmy for The Carol Burnett Show,1978 

Burtnett said she was "heartbroken" at the news of Conway's death.

"He was one in a million, not only as a brilliant comedian but as a loving human being. I cherish the times we had together both on the screen and off. He’ll be in my heart forever," she said in a statement.

Conway first found television fame on the 1960s comedy McHale's Navy playing Ensign Parker.

L-R Joe Flynn, Ernest Borgnine and Tim Conway in a scene from the television series McHale's Navy, 1962.

He found greater success in the comedy sketches on Burnett's show starting in 1968.

His film work included The World's Greatest Athlete in 1973, The Apple Dumpling Gang in 1975, The Shaggy D.A. in 1976, The Prize Fighter in 1979 and Private Eyes in 1980.

More recently, Conway voiced the role of Barnacle Boy for the hugely popular children’s series SpongeBob SquarePants.

Tributes for the late actor poured in on social media.

In addition to his wife and daughter Jackie, Conway is survived by children Tim Jr, Patrick, Jamie, Kelly, Corey and Seann, as well as two grandchildren, Courtney and Sophia.