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Official Site: Toei Animation

The are a group of antagonist in the Sailor Moon metaseries. They are the primary villains of the third story arc, called Mugen (which means "Infinity") in the manga and S in the anime. In the English dub, they are alternatively called the Heart Snatchers and the Bureau of Bad Behavior.

The goal of the Death Busters is the resurrection of in order to bring the alien creature to Earth, which would wipe out all life in an event known as the Silence. The group is led by Professor Tomoe, a mad scientist, assisted by a woman named Kaolinite. They employ the Witches 5 to help carry out their schemes.

Professor Souichi Tomoe is the leader of the Death Busters and Hotaru Tomoe's father. In the manga, Tomoe was a scientist until, as Kenji Tsukino recalled, he was thrown out of the scientific community for inappropriate experiments. After selling some of these findings, he purchased the area where he built his labs and Mugen Gakuen. He continued with his research but a lightning strike caused a fire there, which killed his wife Keiko and left his daughter Hotaru badly injured.

Souichi saved his daughter by making what appeared to be a cybernetic body and making a deal with Master Pharaoh 90. He used Pharaoh 90's power in the hope of reviving her. In exchange, he also lost his humanity and became malevolent. He implanted a Daimon Egg in her at this time; the eggs having arrived with Pharaoh 90 during the lightning strike. They infected his assistant, Kaori, as well as himself.

Eudial has not been a contender in any CBUB matches.