Joe Rockhead is a mutual friend of Barney and Fred and a background character of the original series, The Flintstones.
Joe is a volunteer firefighter, a neighbor and also a mutual friend of Barney Rubble and Fred Flintstone. Usually, when Fred and Barney have some kind of falling out, Fred mentions doing something with him.
- "The Babysitters" (first appearance)
- "The Golf Champion"
- "Arthur Quarry's Dance Class"
- "The Picnic"
- "Impractical Joker"
- "The Birthday Party"
- "Groom Gloom"
- "Room for Two"
- "Operation Switchover"
- "The Most Beautiful Baby in Bedrock"
- "King for a Night"
- "Fred Meets Hercurock"
- "Curtain Call at Bedrock"
- "My Fair Freddy" (last appearance)
- Daws Butler - "The Babysitters"
- Hal Smith - "Room for Two"
- John Stephenson
- Don Messick
- Don Messick - A Flintstones Christmas Carol
- Irwin Keyes
- Unlike other residents of Bedrock, Joe's appearance varied throughout the run of the series, but he does not seem to have a personality or voice characterization.