Flo Henshaw (January 13, 1959 - January 1, 2005) is Donna's mother, and nicknames herself "the thinking man's strumpet". She has also modelled for top shelf magazines such as 'Readers Wives' and 'Pregnant Mums', being unashamedly keen on sex.
Early in the series, she shows interest in Gaz, who finds this worrying, and on one occasion is caught by Jonny in suspicious circumstances with Janet's father. However, she offers Donna useful advice when things are not going well with Gaz. She does not appear in series 4 (Callard had by this time returned to her role in Coronation Street), and by the start of series 5 she has been killed in a traffic accident. Donna finds out that all the "uncles" she had were actually Flo's lovers.