ARC Trooper Crys was a Advanced Recon Commando who served in the 212th Attack Battalion and he follows orders but he has a original, creative and humorous way. He was originally served as a Private in 212th Attack Battalion and participated in the Hunt for Grievous. Crys would participate in the Battle of Skako Minor, Battle for Anaxes and Second Battle of Selucmine. Later after the assault on Myggeto he was promoted to the rank of ARC Trooper personally from Commander Cody and Obi-Wan Kenobi. During his time as a ARC Trooper, He participated in the Second Battle of Teth where he fought alongside 501st Legion ARC Trooper Jesse.
Later after the Clone Wars, He removed his chip this not following Order 66 and joined the Rebellion.