cyborg B-rat means b.big rat for Underground Creatures Skin Contest it lives in a group of holes and tunnels and eats worms and moles and other creatures that lurk down there now the reason he is a cyborg is professer/dr samaul diggun found him laying by a hole with half his face paralized and his shoulders broken so he called his mechanic friend jim souler to help him fix the big rat up they did so and then realesed it into the wild