Compute R.

Compute R. is a member of the Publishing Band and a minor antagonist of ''The Noble Exploits of Kwack the Duck. ''He debuts in the second book when Kwack stumbles upon him after defeating Pencilly. He first appears to be a normal, albeit sleeping desktop computer, however, when Kwack tries to fly over him, Compute lashes out and grabs Kwack by the leg with his mouse core. He suddenly rearranges his body so the monitor is on top of the desktop and the mouse and keyboard are his arms. He then battles Kwack.

Compute R.'s attacks consist of slamming his keyboard like a sledgehammer and firing "binary beams" at Kwack. Kwack dodges all his attacks and returns fire. Compute R. is stunned and quickly destroyed.