Bamm-Bamm is the adopted son of Betty and Barney Rubble after they found him left on their doorstep. After meeting his next-door neighbor Pebbles, he falls in love with her. Bamm-Bamm's "nickname" came from a note left in the basket, causing Barney and Betty confusion over the strange name. This was explained when Bamm-Bamm yelled, "Bamm, Bamm!"