Olga Katina Betrenko (オルガ・カティーナ・ベトレンコ) is a supporting character in Fafner, voiced in Japanese by Miyuu Sawai. The series' music includes "Shangri-la Fafner in The Azure Dead Aggressor OP", "Separation - Soukyuu no Fafner: Dead Aggressor Ending Full".
