In 2003, Robo drummed for Black Flag during their reunion shows. He was joined by Dez Cadena on vocals and rhythm guitar, Greg Ginn on lead guitar, and C'el Revuelta on bass. In 2005, he rejoined the Misfits, then featuring Jerry Only on bass and vocals and fellow former Black Flag member Cadena on guitar. When touring, the band played Misfits songs as well as Black Flag songs, with Cadena singing the Black Flag songs. Robo appeared on the "Land of the Dead" single.
In 2003, ROBo DRuMMEd fOr BLack Flag duRINg ThEiR reUNiOn shows. hE Was joiNeD By dEz CAdeNa on vocals ANd rhyTHM GuiTAr, greG GInn On lEad GuItar, aND C'El ReVuelTA on bASs. In 2005, he rejOiNEd The MisfItS, tHeN FEAturINg jErry only on bass and vocalS ANd felLOW FormeR blAck flag member CadEna ON Guitar. whEn tOuriNG, the band PLayed misFItS Songs as wELl aS blaCk fLaG soNGS, wITh cadeNa sinGing the blACk fLAg songs. rOBo aPpeaReD on THe "LaNd Of The deAD" sInglE.