Jerry Seinfeld has paid tribute to Liz Sheridan. The 67-year-old comedian starred as a semi-fictionalized version of himself in the classic sitcom ‘Seinfeld’ and took to Twitter to mourn the loss of Liz Sheridan, who played his overprotective mother Helen on the show after she died from natural causes on Friday (15.04.22) at the age of 93. He wrote: “Liz was always the sweetest, nicest TV mom a son could wish for. Every time she came on our show it was the coziest feeling for me. So lucky to have known her.” Jason Alexander – who starred as Seinfeld’s best friend and sidekick George Costanza o…