Performers and fans of all ages have left tributes for Sykes with the media and on Twitter today (July 4). Keep reading for a small selection of the plaudits:
Stephen Fry on Twitter: "Oh no! Eric Sykes gone? An adorable, brilliant, modest, hilarious, innovative and irreplaceable comic master. Farewell, dear, dear man."
Jon Plowman, former Head of BBC Comedy: "We won't see his like again. He was a wonderful improviser. His genius was both as a scriptwriter but also someone who could do stuff off the cuff. He was classless and funny and warm."
TV comic Katy Brand on Twitter: "Eric Sykes goes just as the god particle is found - coincidence? I don't think so. RIP Eric."
Sherlock writer Mark Gatiss on Twitter: "The wonderful Eric Sykes has left us. A giant of comedy and a gentleman - funny to his very core. RIP."
Danny Baker on Twitter: "Just heard about Eric Sykes. What a pleasure to be alive when he was. What gifts he leaves for writers yet to come."
The Thick Of It writer Simon Blackwell on Twitter: "Ah, bugger. Very sad to hear that Eric Sykes has died. Tremendous comic writer."
Monty Python's Michael Palin: "He was one of the nicest, most decent men in the business and one of a kind. No-one else could do what Eric could do. To me, he was a great inspiration, both as a writer and performer."
Robin Ince on Twitter: "Sad to see that Eric Sykes has died, the last link to many of the most important early post war comedians - a great entertainer'
Paul Daniels on Twitter: "RIP Eric Sykes. This man was a REAL Comic Genius and one of the funniest men you could ever meet and talk to."
Ken Dodd: "He was a joy to be with, a wonderful man to know, a genius. He was a genius at creating comedy, he found laughter in anything. More than anything else, he loved everybody and everybody loved him."
Sir Bruce Forsyth: "He was just one of the funniest men ever in comedy. What a shame so many young people would never have seen him in his prime."
Photo gallery - Eric Sykes's life in pictures:
Copyright: Rex Features Clifford Lang/Associated Newspapers