Kenneth Arthur "Ken" Dodd, OBE (born 8 November 1927) is an English comedian, singer-songwriter and actor, identified by his trademark unruly hair and protruding teeth, his red, white and blue "tickling stick" and his famous, upbeat greeting of "How tickled I am!". He also created the world and characters of the Diddy Men, with 'diddy' being Liverpudlian slang for small.

The Diddy Men are commonly believed to be a creation of comedian Ken Dodd. However, they have existed in local mythology for much longer and, along with the Treacle and Jam Butty Mines of Knotty Ash, had been referred to in the earlier act of another Liverpool comedian Arthur Askey. When Ken Dodd began playing seaside resorts, he made famous his home area of Knotty Ash in Liverpool and popularised a miniature race of people who inhabited it. Diddy is northern slang for "little". The Diddy Men were originally an unseen joke but after a while began to appear on stage with Dodd, delighting children in the audience. They also appeared in Dodd's BBC television programmes in the 1960s, as string-operated puppets.

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