Castor Rui Britannia
Full Name	Castor Rui Britannia
Gender	Male
Hair Color	Light Blue
Eye Color	Blue
Nationality	Britannian
Known Relatives	Charles zi Britannia (Father) Pollux Rui Britannia (Twin Brother) V.V. (Uncle) Charles' Father (Grand Father)
Allegiance
Holy Britannian Empire Britannian Imperial Family
Additional Information
Title	Prince of the Holy Britannian Empire
Rank	Prince
Occupation	Royalty Knightmare Pilot
Knightmare Frames
Equus Regalia (Co-Pilot)
Real World
First Appearance	Code Geass DS
Last Appearance	Code Geass DS
Other Information
See Code Geass DS

Castor rui Britannia (キャスタール・ルィ・ブリタニア, Kyasutāru ru~i Buritania) is a character exclusive to the Nintendo DS video game and a member of the Britannian Imperial Family. His twin brother is Pollux Rui Britannia, he possess a pair of blue eyes and a much more gentler face than his brother. He pilots the Knightmare Frame, Equus. Castor possesses a Geass ability that allows him to telepathically communicate with his twin brother Pollux.

TriviaEdit

• Both he and his brother are likely named after the Greek and Roman mythological twin brothers, Castor and Pollux, respectively.

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