Donald Earle Messick was an American voice actor, known for his performances in Hanna-Barbera cartoons.

Bamm-Bamm Rubble is a fictional character in the Flintstones franchise, the adopted son of Barney and Betty Rubble. He is most famous in his toddler form on the animated series, but has also appeared at various other ages, including as a teenager on the early 1970s spin-off The Pebbles and Bamm-Bamm Show and as an adult in three television films. Cartoonist Gene Hazelton contributed to the original model sheets for the character, and he has said that he based Bamm-Bamm's design on his own son, Wes.