Bumaro is a rare creature that roams interstellar space. From the human perspective, it is difficult to classify one as a living thing at all, but rather a festering hive of living things. From what has been found out, Bumaro can become small enough to fit into the palm of someone's hand, or big enough to envelope the entirety of the Dredgion – or perhaps, a planet, should it be allowed to consume enough matter. While no one exactly knows where it comes from, Bumaro seems to be non-hostile. It absorbs all sorts of things, even information. Its intellect seems to be directly related to how much knowledge it is exposed to. It is able to quickly adapt to situations as they unfold, and it appears to consume any material thing and convert it into more gelatinous mass for itself.
Bumaro revealed itself during a mission where both Masters had become incapacitated. Bumaro covered their bodies, deflecting blasts with its jelly, and rolled the Masters to safety. Bumaro molded itself to the underside of the Masters' armor, activated their distress signal, and hitchhiked on the medicav back to the Dredgion with them. Upon landing, Bumaro took credit for their rescue (expressing his intentions through interpretive dance) and explained that it had been learning about the humans on the Dredgion for months. Bumaro expressed its want to assist the Masters, and was made an honorary Master for its actions. Bumaro serves to this day as a loyal combatant who has a serious lack of understanding when it comes to personal space.