Mrs. Slaghoople is the widowed mother of Wilma Flintstone. Mr. Slaghoople was alive when Wilma was a kid, but died by the time she married Fred. Mrs. Slaghoople also had an unspecified job when Wilma was a pre-teen.
In chronological order.
- The Flintstone Kids
- The Flintstone Kids' "Just Say No" Special
- The Flintstones (original series)
- I Yabba-Dabba Do!
- Hollyrock-a-Bye Baby
Total appearances: 8.
- With Mrs. Slaghoople going from red hair to gray by the time Pebbles (and Bamm-Bamm) is an adult, it makes her the only adult character to have shown signs of ageing, opposed to Fred, Wilma, Barney, and Betty, who have showed no signs of ageing throughout the years of their children growing up.