Shirley Addison (née Webb) (born 28 September 1981) is a British former hammer thrower and performer in the Gladiators series as Battleaxe. She was born in Whitley Bay, Tyne & Wear, England and is the daughter of , a Scottish international hurdler who competed at the Commonwealth Games. She attended The King's School, Tynemouth and graduated from the University of Edinburgh with a degree in Mathematics. Her personal best throw is 67.58 m (221 ft 8+1⁄2 in) which is the Scottish record, and places her fifth on the British outdoor all-time list.