Christo Vladimirov Javacheff
Pein's fullname is never revealed. Pein is really Nagato, and just an alias that was created.
Christos Alexandrou's birth name is Christos Tsiompanidis-Alexandrou.
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Galilio Galilao
Christos Kapralos was born in 1930.
Christos Lambrakis died in 2009.
Christos Lambrakis was born in 1934.
Christos Daralexis died in 1951.
Christos Daralexis was born in 1871.
Christos Kagaras was born in 1918.
Christos Rozakis was born in 1941.
Christos Papadimitriou was born in 1949.