TGO Magazine, the British hillwalking magazine formerly known as The Great Outdoors
Robert Jennings Leatham (born January 27, 1961 in Mesa, Arizona), also known as "TGO" (a nickname coined by his good friend Brian Enos, it stands for "The Great One" and has since been used by Springfield Armory on a series of Leatham-inspired pistols) is a successful professional shooter.