Gren Sacher (グレン・ザッハー, Guren Sahhā?) is a member of Kurvaz's Special Operations Unit and Opéra's faithful subordinate. Has pledged his allegiance to Opéra and is very straight-laced and incredibly serious. He is always having to struggle with Calua's impulsive nature and seems to get the bad end of the deal. He pilots the Mephisto TA.
Solatorobo: Red the Hunter
