Image copyright Jack Hulme
Image caption Before TV, Sooty did not have black ears – they were added he could be seen on screen
Image copyright PA
Image caption Sooty with Harry Corbett and his son David, nine (left) and Peter, six (center), in 1955. Peter would be better known as Matthew Corbett
Image copyright Getty Images
Image caption The pairing of Sooty and Harry Corbett was an instant hit, winning a public vote to take a BBC talent show title. And they knew a good place to buy musical instruments …
Richard Cadell, who has been keeping Sooty in check since 1998, said it was "an amazing achievement that Sooty is so popular after 70 years".
But for him, the secret is absolutely the simplicity of it all – everybody knows The Sooty Show.
Image caption In 1965 Harry and Sooty appeared on Desert Island Discs. Their favorite things in the world, by David Andrews
Image caption Image copyright Getty Images
Image caption Will there be a cake to rival this one for Sooty's 70th birthday?
Sooty shot to fame four years after he and Corbett teamed up in the Lancashire resort, winning the BBC's Talent Night program in 1952 and bagging themselves a series
TV also gave Sooty his black ears and nose, as Corbett decided to cover them with soot they would show up on black and white transmissions – the coloring also gave the bear his name.
Image caption  Sooty was born from father to son in 1976, when Harry retired and Matthew took up the kidneys
Image copyright Getty Images Image caption The bear's madcap a good soaking [1 9659020] Since then, Sooty has barely been off the screen, appearing in shows that he has seen and has seen in many places.
And he's taken
Image copyright KPPR Image caption Portrait of a man with a smile on his face. TV cameras long before Love Island
Speaking on Wogan in the 1980s, Harry Corbett said when he first introduced the idea of a girl as a girlfriend, he was told by a producer that it was not program "
The story was covered in the national press, with a headline reading" No sex for Sooty "
BBC relented bumps, but Harry was told that while Sooty could have a girlfriend, they" must not touch "
There have been other Sooty controversies too – in 2001 the government was accused of
Corbett retired in 1976, shortly after moving to ITV, and Sooty was passed over to his son, Matthew, who found equal success and even more of friends.
Soo, a panda, but they are far from the pales to have appeared on screen with the bear.
There is also air-time for Sooty's cousin Scampi, Butch the dog, Sweep parents, two cats called Kipper and Miki , Soo's Australian cousin Soola and a snake called Ramsbottom
Image copyright PA Image caption Sooty has had a myriad of co-stars, but the best known is the cheeky dog Sweep. Here they are in their smartest winter draws
Image copyright PA Image caption Such has been Sooty's fame that he and his friends have also been immortalized in animation
Since Matthew Corbett's retirement in 1998 Soddy Show co-star Richard Cadell to try and keep on top of the little bear's antics
He has taken Sooty back to Blackpool to celebrate his birthday with the unveiling of a plate and a special day of celebration.
Image copyright PA Image caption Sooty has returned to the spot where he puts his mentor
Image copyright Steve Ullathorne Image caption Richard Cadell joined the Sooty Show in the 80s and took charge in 1998
For him, Sooty's enduring appeal is in his familiarity.
"Parents trust it and they know what they're going to get," he said.
"It's good simple slapstick family iendly laughs from one of the most adorable characters in television history. "