First published in: 1963
First appearance in Hanna-Barbera's The Flintstones animated episode "Little Bamm-Bamm" (aired October 03, 1963). In comics, first appearance in The Flintstones (Western, 1962 series) #16 (January 1964 - released in November 1963) "A Wish Come True" a story drawn by Pete Alvarado. Though, Harvey Eisenberg did draw the first comic book image of Bamm-Bamm on the issue's cover.