Pebbles and Bamm Bamm
Pebbles Flintstone-Rubble is Fred and Wilma's cute and very beautiful daughter in The Flintstones who eventually became an teenager in Pebbles and Bamm-Bamm and grown up in I Yabba Dabba Doo and Hollyrock-a-Bye-Babyand Bamm-Bamm Rubble is the Rubbles' abnormally strong adopted son. His name comes from the only phrase he ever speaks as a baby: "Bamm, Bamm!" Bemm-Bamm even eventually grew up with Pebbles.