Bull Brittles was the chief engineer on the Geronimo. He survived the ship's presumed destruction on OM-1. He, Captain Lola Beck, flight attendant Holly Little, Dr Wiggs, Jingo Ryan, and Sky Marshal Omar Anoke were the only ones to escape the Geronimo.
Lola Beck decided to move out after Jingo sees a Warrior Bug. They begin to hike across OM-1's harsh desert terrain. During the hike, Bull flirted and even proposes to the very religious Holly Little. Holly agreed to marry him.
However, Bull never got the chance to marry Holly because his life was cut short when Behemecoatyl the God Bug pierced his leg and pulls him to his doom. His corpse was used to communicate with Sky Marshal Anoke and later burnt to a crisp in the explosion during a raid by the Marauder Team.