▁several ▁dec ades ▁in ▁the ▁future ▁( show ing ▁no ▁signs ▁of ▁having ▁aged ▁at ▁all ). ▁After ▁the ▁future ▁version ▁of ▁Don at ello ▁ex termin ated ▁most ▁of ▁the ▁world ' s ▁rat ▁population , ▁in ▁a ▁future ▁where ▁flo ods ▁following ▁global ▁war ming ▁causing ▁r ats ▁to ▁enter ▁the ▁houses ▁in ▁the ▁towns , ▁the ▁Rat ▁King ▁decl ares ▁war ▁on ▁him ▁and ▁his ▁al lies ▁for ▁killing ▁so ▁many ▁of ▁his ▁" children ". ▁Though ▁mentioned ▁throughout ▁" The ▁Future ▁Sh ark ▁Tr il ogy ", ▁the ▁Rat ▁King ▁only ▁appears ▁in ▁person ▁in ▁the ▁story - arc ' s ▁last ▁issue , ▁which ▁has ▁him ▁eng aging ▁in ▁a ▁battle ▁royal ▁with ▁the ▁T urt les , ▁their ▁al lies ▁and ▁several ▁other ▁villa ins . ▁The ▁Rat ▁King ▁is ▁defeated ▁in ▁the ▁issue ▁after ▁Verm in ator ▁X ▁accident ally ▁flo ods ▁the ▁room ▁everyone ▁is ▁in , ▁was hing ▁the ▁Rat ▁King ▁and ▁his ▁r ats ▁away . ▁ ▁Te en age ▁Mut ant ▁Nin ja ▁T urt les ▁( 2 0 0 3 – 2 0 0 9 ) ▁In ▁the ▁ 2 0 0 3 ▁Te en age ▁Mut ant ▁Nin ja ▁T urt les ▁the ▁Rat ▁King ▁( who ▁is ▁never ▁referred ▁to ▁as ▁such ▁and ▁vo iced ▁by ▁David ▁Z en ▁Mans ley ) ▁appears ▁in ▁the ▁episode ▁" I , ▁Mon ster ", ▁which ▁is ▁an ▁adaptation ▁of ▁his ▁first ▁appearance ▁in ▁the ▁Mira ge ▁Comics . ▁Instead ▁of ▁dying