▁k it ▁of ▁the ▁main ▁character ▁R ets um aru , ▁in ▁contrast ▁to ▁earlier ▁series ▁re le asing ▁multiple ▁k its ▁of ▁the ▁lead ▁G und am . ▁At ▁least ▁one ▁of ▁his ▁later ▁forms ▁was ▁designed ▁to ▁at ▁least ▁be ▁achiev able ▁using ▁parts ▁from ▁the ▁other ▁k its . ▁Also ▁scra pped ▁were ▁more ▁g imm icks ▁for ▁Kir im aru ▁( including ▁a ▁pet ▁drag on , ▁a ▁bird - like ▁mask ▁similar ▁to ▁Bar z am ▁Sh og un ' s ▁and ▁a ▁Base ▁J ab ber ▁s led ) ▁and ▁more ▁arm our ▁for ▁R ets um aru ▁which ▁seemed ▁to ▁imply ▁he ▁would ▁grow ▁up ▁to ▁be ▁the ▁First ▁G und am ▁D ai - Sh og un ▁seen ▁in ▁M ush a ▁Sen ki . ▁ ▁This ▁model ▁k it ▁series ▁is ▁also ▁the ▁second ▁time ▁a ▁BB ▁sens hi ▁M ush a ▁G und am ▁model ▁series ▁printed ▁with ▁Roman ized ▁names . ▁ ▁Pre viously , ▁Roman ized ▁M ush a ▁G und am ▁names ▁were ▁used ▁on ▁models ▁based ▁on ▁the ▁first ▁SD ▁S eng ok uden ▁series , ▁running ▁from ▁BB ▁# 2 3 ▁( M US HA ▁Z ▁G UND AM ) ▁to ▁BB ▁# 4 1 ▁( SH Ō ▁G UND AM ), ▁and ▁also ▁a ▁limited ▁box ▁set ▁which ▁included ▁BB ▁# 1 1 3 , ▁# 1 5 8 , ▁# 2 3 2 ▁. ▁ ▁Roman ized ▁names ▁were ▁included ▁with ▁BB ▁models ▁ 2 6