Keelyn O Flynn also known as The Smiling Assassin is a 16 year old girl boxing out of East Cork Boxing Club in Youghal Co. Cork. She is a 2 time Cork County Champion, 4 time Munster champion and a 2 time All Ireland Champion.

She is also a current Esker All Female Boxcup Champion and 2 time Limerick Boxcup Champion, she has competed in numerous club shows and tournaments throughout Ireland, and shows no signs of stopping.