Barry's robot minion.
Barry's Robots are robots controlled by Barry to do his bidding. They consist of a giant muscular robot body with a smartphone as their head. They are quite easy to dispose of since if the smartphone is knocked out of their body, they will stop functioning. They have some level of sentience since it's shown that they can express emotion through the screen of their smartphone head in the form of emoji.
Barry controls the strongest robot.
The strongest form of the robot is controlled by Barry during his final fight against Ice Bear and Yana in which the robot is armed with a laser blaster in its right hand and a giant laser cannon at its chest. Unlike the standard robot, its head is a small tablet instead of smartphone. Also, the strong robot is on FaceTime with Barry instead of emojis to communicate.
According to himself, the strongest robot costs billion of dollars.