Arthur Wiki
"Binky's grandmother" is not an official name.
Binky's grandmother
Gender Female
Animal Bulldog
Residence Binky's grandparents' house
Family *Binky's grandfather (husband)
Cartoon debut "Postcards from Binky"

Binky's grandmother (possibly Grandma Barnes) is the grandmother of Binky Barnes. Binky taped a video postcard for his grandparents because he never really gets to see them a lot because they live far away.