Born Antonin, but to those acquainted to him now he is Krysa or Rat in English. Antonin only survived the fall of Chernogorsk in the beginning through living in the sewers. It wasn't by his choice he was down there; he worked down there. Flushing out blockages, maintaining the sewers of South Zagoria. Born into an orthodox christian family; his father had died fighting the Chedaki when he was twelve in the civil war that ravaged Chernarus. His mother worked in the church and raised Antonin and his sister Drahomíra on what money herself and Antonin's older brother Jakub
When the infected came pouring into the city he was unclogging a massive blockage became also his source of food. Using his nimble form and knowledge of the city to bypass the dead and collect food he became the sole survivor of the South Zagorian Sewer Flushers.