The Human Robot is a scrapped Duke Nukem Forever enemy or boss.
The Human Robot is a direct copy of the Terminator robot. It makes a brief appearance in the 2001 E3 trailer, but nothing else is known about it. Based on the “EDF” on it, it would be allied with the EDF, but due to attacking Duke Nukem in the trailer the robot probably malfunctioned and went rogue.
Its combat abilities are unknown, as its only appearance shows it rising up and striking a pose.
The Human Robot appears to have been completely scrapped. No trace of it can be found in the current build, but it has returned in the Duke Nukem Forever DLC called The Doctor Who Cloned Me as the Dukeinator.