Bob Rubble is the father of Barney Rubble and Dusty Rubble, the husband of Flo Slate Rubble, The father-in-law of Betty Rubble, the adoptive grandfather of Bamm-Bamm Rubble and the adoptive grandfather-in-law of Pebbles Flintstone. He works as a used car salesman.
Bob is a tall and stout caveman with fair skin, tan stubbles, black beady eyes, thick black eyebrows and brown hair and a mustache. He wears a beige-tan and black-spotted loin-cloth with a white collar and a primrose-magenta tie.
- The Flintstone Kids