TR-0009 Tager or well known as Iron Tager is a character in BlazBlue franchise, in his past as a human, he was the lead of a mercenary troop hired by 7th Agency to retrieve Machine God: Nirvana in the 4th Hierarchical City of Naobi, during that fight, he got mortally wound and later mechanically modified by Kokonoe Mercury, adding the Demon Cells on his new body.
Tager is one of the playable characters in the default roster, representing BlazBlue franchise alongside Naoto Kurogane, Hibiki Kohaku, Ragna the Bloodedge, Jin Kisaragi, Noel Vermillion, Rachel Alucard, Makoto Nanaya, Hakumen, Relius Clover, Hazama, Kagura Mutsuki, Kokonoe Mercury, Celica A. Mercury, Izayoi, Litchi Faye Ling, Bang Shishigami, Nu-13, Bullet, Azrael, Nine The Phantom, Es, Mai Natsume, Jubei and Susanoo.