Mary Lou Heffley

Aunt Mary Lou

Name Mary Lou
Age 80s
Gender Female
Actor None
Film Appearance? No
Online Appearance? Yes
Book Appearance? No

Aunt Mary Lou, is the great aunt of Greg, Rodrick and Manny and she only appears in the online version of Diary of a Wimpy Kid.

She mistakens Greg for Rodrick, and Manny for Greg. She even said "Who are you?" to Rodrick on Christmas. She may have Alzheimer's.



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