John William Sublett, known by his stage name John W. Bubbles, was an American tap dancer, vaudevillian, movie actor, and television performer. He performed in the duo "Buck and Bubbles", who were the first black artists to appear on television in the US. He is known as the father of "rhythm tap."

Tap dance is a form of dance that uses the sounds of tap shoes striking the floor as a form of percussion; it is often accompanied by music. Tap dancing can also be a cappella, with no musical accompaniment; the sound of the taps is its own music.