"RDO-TUVT" :30 Anncr.: By the time Mr. Sub got a delivery number, most of the catchy ones were gone. We wanted our number to spell, 416-Great Sub. But, the only number left spelled 416–RDO-TUVT. That's right, RDO-TUVT. Singer: 416–RDO-TUVT! Mr. Sub Delivery!! Backup Singers: (belting it out) That's 736-8888 or RDO-TUVT, don't hesitate!! Anncr.: Call 736-8888 or… Singer: RDO-TUVT!!