K ▁al um ▁Frank ▁Con n iff ' s ▁month ly ▁comedy ▁rev ue ▁Cart oon ▁D ump , ▁hel ming ▁his ▁self - created ▁pu ppet ▁" D ump ster ▁D iver ▁Dan ." ▁ ▁He ▁has ▁since ▁star red ▁in ▁the ▁science ▁fiction ▁computer ▁game ▁Dark star : ▁The ▁Inter active ▁Movie ▁as ▁S cy the ▁Commander ▁K ane ▁Cooper . ▁ ▁Jo el ▁also ▁reun ited ▁with ▁Jerry ▁Se inf eld ▁as ▁a ▁guest ▁on ▁his ▁web ▁show , ▁Com ed ians ▁in ▁C ars ▁Getting ▁C off ee . ▁ ▁In ▁ 2 0 1 3 , ▁he ▁repr ised ▁his ▁role ▁as ▁Jo el ▁Robinson ▁for ▁a ▁brief ▁came o ▁appearance ▁in ▁two ▁episodes ▁of ▁the ▁fourth ▁season ▁of ▁Arr ested ▁Development , ▁along ▁with ▁Trace ▁Be a ul ieu ▁as ▁Crow . ▁ ▁Since ▁ 2 0 1 3 , ▁he ▁has ▁been ▁vo icing ▁rec urr ing ▁character ▁Mayor ▁Bill ▁De we y ▁in ▁the ▁Cart oon ▁Network ▁original ▁animated ▁series ▁Steven ▁Un iverse . ▁ ▁In ▁ 2 0 1 5 , ▁he ▁appeared ▁as ▁Z al ien ▁F let cher , ▁a ▁long - ha ired , ▁laid - back , ▁dim - w itted ▁engineer ▁on ▁the ▁Paul ▁Fe ig ▁produced ▁space ▁comedy ▁Other ▁Space , ▁which ▁premier ed ▁on ▁Y ahoo ! ▁Screen ▁on ▁April ▁ 1 4 , ▁ 2 0 1 5 . ▁Fellow ▁Myst ery ▁Science ▁Theater ▁ 3 0 0 0 ▁al um ▁Trace ▁Be a ul ieu