Joining with three other commandos to form the elite special forces unit Delta Squad, Sev served as the unit's star sniper. Born in 32 BBY on the watery world of Kamino, Sev was trained by the Mandalorian Cuy'val Dar training sergeant Walon Vau to become a clone commando in the Grand Army of the Republic. RC-1207, also known as Delta-07 or by his chosen nickname of Sev, was a clone of Mandalorian bounty hunter Jango Fett.
' Oh-Seven: the fiercest hunter of all your brothers.' ―Taun We, regarding RC-1207
