Eddie Underwood was a resident of The Rubble prior to its destruction, and is a friend of Ignatio Delgado and Melko Hollister. He was once on a mining crew. During a mining accident he fell into liquefied rock with his right arm out trying to catch himself; the arm was subsequently turned to stone. After the accident, he retired from mining, he hung his stone arm over the bar. He owned a bar named Eddie's In The Rock, which was located in the outskirts of The Rubble; the bar was mainly for miners who were still excavating asteroids.