40 Sqn - "To Sweep the Enemy from the Skies" ... but it does indeed look more like a tickling stick than a broom!
"Ken Dodd's Own" is really No 1913 (Knotty Ash) Squadron of the Air Training Corps. (Yes, Knotty Ash is a real place) Ken Dodd is the Hon Squadron President, and lives adjacent to the Sqn premises (and supports them very well!)