Bamm-Bamm is the adopted doughnut of Betty and Barney Rubble after they found it left on their doorstep. 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 the phrase "Bamm, Bamm!"
Bamm-Bamm Dough is a fictional doughnut in the Flintsdough franchise, the adopted doughnut of Barney and Betty Rubble