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|Alignment:||Black Moon Clan|
|Species:||Humanoid (manga), Droid (anime)|
|Occupation:||Droid under the supervision of Esmeraude|
|Family:||Achiral (twin brother)|
|First Anime Appearance:||Dark Gate Completed? A Grade School in Danger|
|First Manga Appearance:||Act 19 Time Warp SAILORPLUTO|
|First PGSM Appearance:||N/A|
|English Name:||Doom (DiC dub), Chiral (Viz dub, Kodansha manga)|
|Actors:||Masashi Ebara (anime), Wataru Hatano (Crystal), David Fraser (dub)|
In the manga, Chiral and his brother Achiral formed the Boule Brothers (or, in the TokyoPop translated version, the "Artificial Jewel Brothers"). They were Esmeraude's underlings, and according to the Materials Collection, were "twins like mirror reflections."
The two participated in Code: 005, Operation: Remake. Along with Esmeraude and Achiral, he trapped Sailor Moon within a fake Crystal Palace. While trapped, a magnetic field prevented her from using her powers. Chiral was killed by the team effort of Tuxedo Mask's Tuxedo La Smoking Bomber and Sailor Venus' Venus Love-Me Chain.
- "Chiral" is a scientific term referring to an object that cannot be superimposed on its mirror image.
- Unlike most Droids in the anime, Chiral and his brother Achiral did not have a gemstone on their bodies that was shown turning black when they were destroyed.
- The Manga of Naoko Takeuchi - Sailor Moon - Materials Collection - Translated by Alex Glover