In 2003, rappers Onry Ozzborn and JFK Ninjaface joined bassist Rob Castro to from Grayskul. They recorded over 55 songs in less than a year, which would eventually become their first three albums.
After touring with Eyedea and Abilities in 2004, their imaginative imagery and storytelling gained Rhymesayers Entertainment’s attention, and they came out with their label debut, Deadlivers.
Seven albums later, the group took a hiatus to work on solo projects in 2016.