The other members of D-12 , Proof 's former group , make mercifully brief appearances , alongside the Detroit rapper Obie Trice and some newer signings : Stat Quo , a hard-spitting Atlantan ; Ca $ his , who gruffly claims both California and '' the Midwest '' as his home turf ; Bobby Creekwater , formerly of the slick -LRB- and heavily OutKast-indebted -RRB- duo Jatis .