US comedian John Pinette was found dead in a Pittsburgh hotel in Pennsylvania on Saturday afternoon.
According to a local medical examiner, the 50-year-old, who began touring across venues in the United States and Canada, died of natural causes.
His manager said that he had suffered a pulmonary embolism. However, a spokesperson for the medical examiner’s office said that the entertainer had been suffering from liver and heart disease.
The award-winning comedian, who was born in Massachusetts, rose to fame when he joined Frank Sinatra on a tour. He was known for making impersonations and self-deprecating jokes about his weight. Pinette also briefly starred in Seinfeld in a small role as Howie.
His agent, Nick Nuciforo who revealed that the comedian was working on a stand-up project when he died.
"He should be celebrated for the amazing comedian he was," Nuciforo said.