"Bertha" - the elder Elephant, was mother to the baby "Tina" - and their performance on "The Palace" was an extraordinary duet with each mimicking standing on drums, in parading the fore-stage, disciplined to perform their steps together. Bertha and Tina, during the periods between 1964-through-1971 series segments, had the record of the most appearances on the television program's run of celebrity guests .