Fiddler 10, alternatively referred to as a Boiler Droid, represented a class of levitating droid utilized and managed by Tig Fromm along with the Fromm Gang. Their function was to serve as a maintenance team within Tig Fromm's base. During an attempt to infiltrate the base, C-3PO endeavored to masquerade as a member of the maintenance crew; however, his deception was exposed by the arrival of the genuine droids. Furthermore, these droids were observed within the Fromm Gang's correctional facility.