B.A.R.K. the Robot Dog is one of the main characters for the Swazzle Puppet Show B.A.R.K. the Robot Dog. He is the latest creation of the wacky inventor Mr. Johnson. B.A.R.K. is energetic and untrained, but eager to learn. After Rivet accidentally releases him from his box he wreaks havoc and ruins Ratchet’s precious yarn ball. B.A.R.K. was designed and built by Patrick Johnson, and is performed by Patrick Johnson.