8 5 . ▁ ▁D MC ’ s ▁World ▁DJ ▁Championships , ▁spons ored ▁intern ation ally ▁by ▁Techn ics ▁and ▁Or to fon , ▁has ▁grown ▁over ▁the ▁years ▁and ▁the ▁formats ▁of ▁its ▁compet itions ▁have ▁developed ▁along ▁with ▁demand . ▁Origin ally ▁intended ▁to ▁be ▁a ▁DJ ▁mixing ▁battle , ▁DJ ▁Che ese ▁introduced ▁scratch ing ▁in ▁his ▁routine ▁in ▁ 1 9 8 6 , ▁changing ▁the ▁course ▁of ▁future ▁D MC ▁batt les . ▁ ▁The ▁DJ s ▁are ▁allowed ▁a ▁period ▁of ▁exactly ▁six ▁minutes ▁to ▁perform . ▁ ▁DJ ▁Champions ▁ ▁D MC ▁World ▁Mix ing ▁Champions ▁ 1 9 8 6 ▁- ▁London , ▁UK ▁— ▁ 1 . ▁DJ ▁Che ese ▁( USA ), ▁ 2 . ▁Ch ad ▁Jackson ▁( UK ), ▁ 3 . ▁Or lando ▁Vo orn ▁( N ether lands ) ▁ 1 9 8 7 ▁- ▁London , ▁UK ▁— ▁ 1 . ▁Ch ad ▁Jackson ▁( UK ), ▁ 2 . ▁Joe ▁Rod rig uez ▁( US ), ▁ 3 . ▁Ken ▁" The ▁Duke " ▁Lars en ▁( Den mark ) ▁ 1 9 8 8 ▁- ▁London , ▁UK ▁— ▁ 1 . ▁C ash ▁M oney ▁( USA ), ▁ 2 . ▁Mich ▁" C utf ather " ▁Hans en ▁( Den mark ), ▁ 3 . ▁All - Star ▁F resh ▁( N ether lands ) ▁ 1 9 8 9 ▁- ▁London , ▁UK ▁— ▁ 1 . ▁C ut master ▁Swift ▁(