At some point in his life, Chalmun was badly scarred, with a diagonal scar running from his left shoulder across the left side of his chest. Chalmun was a street fighter for a long time before he ran up a huge profit swindling hapless tourists at the casinos on Ord Mantell in just a few years. He used the funds to purchase a popular cantina—known simply as the Mos Eisley cantina—from two Ranats, the Vriichon brothers, located in the heart of Mos Eisley, largest city on the planet Tatooine in the Outer Rim Territories.