. ▁The ▁working ▁title ▁of ▁the ▁film ▁was ▁A ▁P engu in ▁Story . ▁In ▁ 1 9 9 4 , ▁" Bl uth ▁spoke ▁enthus iast ically ▁of ▁such ▁pending ▁projects ▁as ▁The ▁P eb ble ▁and ▁the ▁P engu in ▁and ▁A ▁T roll ▁in ▁Central ▁Park ". ▁The ▁film ▁was ▁originally ▁sl ated ▁for ▁release ▁in ▁summer ▁ 1 9 9 4 ▁( while ▁Th umb el ina ▁was ▁scheduled ▁for ▁November ▁ 1 9 9 3 ▁and ▁A ▁T roll ▁in ▁Central ▁Park ▁was ▁scheduled ▁for ▁March ▁ 1 9 9 4 ), ▁but ▁due ▁to ▁some ▁production ▁difficulties ▁( and ▁probably ▁to ▁avoid ▁competition ▁with ▁The ▁Lion ▁King , ▁Baby ' s ▁Day ▁Out , ▁Speed , ▁and ▁For rest ▁G ump ), ▁the ▁film ' s ▁release ▁date ▁was ▁changed ▁to ▁April ▁ 1 9 9 5 . ▁ ▁An imation ▁and ▁research ▁ ▁Though ▁Bl uth ▁Produ ctions ▁was ▁based ▁in ▁Dublin , ▁artists ▁from ▁Ireland , ▁England ▁and ▁Hung ary ▁worked ▁on ▁the ▁project , ▁at ▁least ▁seven ▁direct ing ▁anim ators ▁working ▁on ▁the ▁film ; ▁among ▁them ▁John ▁Pom ero y . ▁The ▁p engu ins ▁in ▁the ▁film ▁are ▁cloth ed . ▁Hum ans ▁we aring ▁p engu in ▁cost umes ▁were ▁fil med ▁and ▁then ▁used ▁as ▁phot ost at ▁references ▁for ▁the ▁anim ators . ▁The ▁icon ic ▁quote ▁from ▁Hub ie , ▁" Good ness ▁gla ci ers !" ▁as ▁well ▁as ▁his ▁overall ▁appearance , ▁is ▁a ▁s