Grandma Dynamite (disguised as "Dinah" a housekeeper) is a bank robber, the main villain and a one-time character of the episode, "Foxy Grandma", featured in the third season of the original series, The Flintstones.
Grandma Dynamite is a short and slender woman with fair skin, a large nose, white hair and a pair of glasses. She wears a short-sleeved loin-cloth dress with a brown button on top and a black hat with a yellow stripe and a flower on top. During a robbery, she also wears a blue mask.
- "Foxy Grandma" (only appearance)