Otto and Epalte Adderoy

This is the most dangerous team of cleaners, as it's where the strongest members of the organization are deployed, but they generally work individually and in isolation with little communication. Being the only members of Team Danger who work as a team, and the fact that they are twin brothers, means their attacks and actions are carried out in perfect synchronization, earning them the nickname "Two-Man Battle Unit."

Terra, also known as the Pit by the Spherians, is the surface of the world, a wasteland with a mostly toxic environment, infested with Garbage Beasts due to the constant rain of trash from the Sphere. It is inhabited by humans called Groundlings. The Spherians are the people who live above, beyond the sky, and who dump their trash on Terra, polluting it for over 100 years. They even throw their own people who have committed crimes into the Pit, and most Spherians who are thrown in die; it is rare to see any alive. The people of Terra deeply despise the Spherians for the pollution caused by their trash, so those who survive the Sphere's fall to Terra are ostracized.

These are objects powered by Anima (a mysterious energy source), and those who use them are called Givers. The twins' life instruments are dolls (one per twin) that are usually small, portable toys, but grow into giants that follow the twins' movements. These dolls can cause mass destruction. Otto's doll wears a top hat and bow tie, and his waistcoat tail is split into two ends, while Epalte's doll wears a bowler hat and a regular tie, and instead of a waistcoat tail, he has a long, reptilian-like animal tail. They have prominent, skull-like heads with large, hollow eye sockets, and wear caps tilted slightly forward. Their outfits are elegant, and the main notable differences are that the Otto doll has wide pants and matching black boots, while the Epalte doll has free legs that resemble the legs of a reptile, being slightly curved and with two claws instead of feet, matching the tail that the doll has. Another striking feature of both dolls is that they seem to have metallic parts as if they were armor, in addition to a large belt that seems to have a clock in the center showing the same time for both.

Cleaners: One of the largest groups of Donors are the Cleaners. This is a public organization comprised of approximately 100 people who respond to requests from Terrain citizens to remove the Garbage Beasts that are disturbing their area. Responding teams consist of a single Combat Cleaner and up to four Support Cleaners. The Combat Cleaner is responsible for eliminating the Garbage Beast, while the Support Cleaners assist in the task. This group appears to be an important governing body of Terrain, enjoying the trust and support of much of the public, and private doctors greatly respect the Cleaners and treat them as often as possible.

The twins are an eccentric duo, always brimming with enthusiasm, shouting "SKADOOSH!" at every turn to demonstrate their determination and iron will. They are always very expressive and direct with their thoughts. They have shown a dislike for boring and repetitive tasks, preferring instead a good, exciting, and direct fight where they can exert their full power without restraint. They seem so friendly that it can sometimes be unsettling.

They are very similar physically, having the same height and build as twins. They even wear very similar clothes with slight differences; their attire is elegant and features various patterns, although Otto's patterns resemble zebra prints and Epalte's resemble reptile scales. They both have black hair, but Otto's is slightly longer than Epalte's. They have yellow eyes, and Epalte wears a monocle.