were a Dwarven
biker gang that terrorized and took over a majority of Sunstone Valley
. The group was lead by Zandro Rageracer
, a Gloam influenced Dwarf, who constantly fought his arch nemesis Dorn Geargrinder
, who lead the main rival group of the Skullz, the Freewheelers
An example of graffiti left by the Skullz to mark their stolen territory.