He is a grizzly bear, who was tranquilized and mechanically modified by The Government to become a deadly cyborg bear. He was intended to be used as a military weapon but due to the bear having a mind of its own, it went rogue and became a highly unstable and dangerous villain.
He is voiced by Dee Bradley Baker.
Now I Am a Murphy
The Cyborg Bear started out as a normal grizzly bear cub who was tranquilized by several government agents, who implanted him with cybernetic armor so that he can serve tasks for them. Unfortunately, the agents made a terrible mistake programming him into killing any man in sight as the Cyborg Bear broke out of its cage.
Spotting Milo Murphy going on a camping trip with his father and grandfather, the Cyborg Bear tries to attack them from behind a bush, but he realized too late that he's standing on a small but powerful geyser, which sends him up into the air due to Murphy's Law and make him fall into a sinkhole, much to his distraught.
The Mid-Afternoon Snack Club
The Cyborg Bear managed to escape from the sinkhole, but is now bent for revenge against Milo due to Murphy's Law. He eventually hitches a ride in a garbage truck after learning that Milo is in Jefferson County Middle School, where he is serving detention alongside with Melissa, Zack, Bradley, Mort, and Amanda for a Murphy's Law incident. Taking the opportunity, the Cyborg Bear tries to kill Milo, but Murphy's Law caused him to become frozen solid in ice and covered in various objects, much to his dismay.