Answering Machine messages

"In the episode "The Entertainer" (P-44), Wilma's old friend Greta Gravel remembers her as "Wilma Pebble" -- which we can only assume was her maiden name. Again, in "Dial S for Suspicion" (P-74), one of Wilma's old boyfriends calls her "Wilma Pebble." Yet in later episodes such as "Bachelor Daze" (P-112) flashing back to where she and Betty were working as cigarette girls and they first meet Fred and Barney, Wilma's last name is said to be Slaghoople -- a perfect example of Flintstones quirkiness. "