John Kane

John Kane is the protagonist of Doom 3 novels. His backstory and date when he came to Mars differs from the marine in Doom 3 and the one in Doom RPG. Although some of his events mirror that of the character in Doom 3.

Background
He was a Marine who was redeployed to Mars City in 2144 as punishment due to bad conduct. He would witness the First Outbreak in March 13, 2145.