옳은 명칭인지?

반지의 군주                       반지의 제왕 
요머                               에오메르 

요윈                               에오윈

데오든                             세오덴

갠달프                             간달프

이센가드                           아이센가드

판곤                               팡고른

이딜리엔                           이실리엔

등등....미나스 티리스 앞의 평원 펠레노르 평원을 어디에선 '펠렌노르'평원이라고 하기도..-_-a
어느쪽이 옳은 명칭들인지? 
 
  
 
 영어 스펠링은 이렇더군요 요머(에오메르)=Eomer 요윈(에오윈)=Eowyn 데오든(세오덴)=Theoden 갠달프(간달프)=Gandalf 이센가드(아이센가드)=Isengard 판곤(팡고른)=Fangorn 이딜리엔(이실리엔)=Ithilien