Susan Heffley is the mother of the Heffley family. She is a 25 to 30 year old woman. She embarrasses Greg and Rodrick a lot especially Greg. She loves to dance a lot to music and clean up a lot. Susan Heffley's real birthday is October 12. She play's around with Manny a lot. Susan Heffley is potrayed by Rachael Harris and in the Long Haul movie is potrayed by Alicia Silverstone.