▁as ▁the ▁fla ws ▁of ▁having ▁cy borg ▁prost het ics . ▁Gr iev ous ▁had ▁previously ▁appeared ▁in ▁Cl one ▁Wars ▁before ▁many ▁of ▁his ▁person ality ▁tra its ▁had ▁been ▁final ized . ▁To ▁recon cile ▁the ▁differences ▁between ▁the ▁two ▁present ations , ▁the ▁Cl one ▁Wars ▁production ▁crew ▁inserted ▁a ▁scene ▁in ▁" Ch apter ▁ 2 5 " ▁of ▁M ace ▁Wind u ▁Force - cr ushing ▁the ▁ch est plate ▁housing ▁Gr iev ous ' s ▁internal ▁org ans . ▁ ▁Volume ▁Two ▁shares ▁aspects ▁of ▁its ▁story line ▁with ▁the ▁novel ▁Lab yr inth ▁of ▁Ev il , ▁which ▁was ▁created ▁at ▁the ▁same ▁time . ▁In ▁the ▁series , ▁An ak in ▁and ▁Ob i - W an ▁investigate ▁a ▁possible ▁base ▁for ▁Gr iev ous ▁on ▁Nel va an ▁prior ▁to ▁returning ▁to ▁Cor usc ant , ▁but ▁in ▁the ▁novel , ▁they ▁purs ue ▁Count ▁Do oku ▁on ▁Ty the ; ▁Do oku ▁briefly ▁p aus es ▁at ▁Nel va an ▁when ▁esc aping ▁to ▁Cor usc ant . ▁According ▁to ▁The ▁New ▁Ess ential ▁Chron ology , ▁the ▁events ▁on ▁Nel va an ▁occurred ▁before ▁those ▁on ▁Ty the , ▁with ▁the ▁final ▁scene ▁of ▁Ob i - W an ▁and ▁An ak in ▁getting ▁the ▁message ▁from ▁M ace ▁on ▁the ▁cru iser ▁taking ▁place ▁afterwards . ▁ ▁Cl one ▁Wars ▁served ▁as ▁a ▁pilot ▁for ▁the ▁half - hour ▁CG I ▁The ▁Cl one ▁Wars . ▁The ▁character ▁designer ▁for