BigT is a great Cod Caster as seen on Nadeshots Video "The OpTic House Big Mac Challenge" Big T also knows alot about CoD which makes him even better of a Cod Caster. BigTymeR aka Big-T began his Call of Duty competitive career during the  Call of Duty 4: Modern Warfare days; making his name known on Xtravagant; better known as IXI for winning the MLG National Championships in 2009. Call of Duty: Modern Warfare 2 rolled around, Big-T; alongside his teammate Rambo, made a decision to change teams, heading over OpTic Gaming.