The Death Busters are a group of fictional characters in the Sailor Moon manga series written by Naoko Takeuchi. This group comprises the villains of the third major story arc, which is called the Infinity in the manga, Sailor Moon S in the first anime adaptation, and Death Busters in Sailor Moon Crystal. They are first introduced in chapter #27 "Infinity 1 – Premonition", originally published in Japan on July 7, 1994. In the Cloverway English adaptation, they are called the "Heart Snatchers".
The Death Busters. Left column, top to bottom: Mistress 9, Germatoid, Master Pharaoh 90. Center column: Professor Tomoe, Kaolinite. Right column, in both magical and civilian forms: Mimete, Eudial, Viluy, Tellu. Bottom: Cyprine and Ptilol.
Sailor Moon is a Japanese manga series written and illustrated by Naoko Takeuchi. It was originally serialized in Kodansha's shōjo manga magazine Nakayoshi from 1991 to 1997; the 60 individual chapters, along with several side stories, were compiled in 18 volumes. The series follows the adventures of a schoolgirl named Usagi Tsukino as she transforms into the eponymous character to search for a magical artifact, the "Legendary Silver Crystal" . She leads a group of comrades, the Sailor Soldiers, called Sailor Guardians in later editions, as they battle against villains to prevent the theft of the Silver Crystal and the destruction of the Solar System.
Cover of the first volume of Sailor Moon, featuring the titular character