Described by Kilowog as "the toughest sons-of-bitches" in the Green Lantern Corps, the Mean Machine is a cadre of veteran Green Lanterns renowned for their jaundiced worldview and their use of unorthodox methods to do their duty. For this, they were distrusted by Salakk.
Their base of choice was a storeroom under Warriors', Guy Gardner's bar. They prided themselves on their ability to break in subtly to use the space.
- The exact total living roster of the group is unknown. On the one hand, Kilowog showed a longer list than these four while admitting that several had died. On the other hand, the members Guy Gardner met mentioned that others were alive but not present on the day.