Answer:

emperor

AnswerCrossword Clue
EMPERORHadrian, for one
EMPERORLarge penguin type
EMPERORPalace occupant
EMPERORSupreme ruler
EMPERORSovereign
EMPERORBeethoven's fifth piano concerto, familiarly
EMPERORHirohito, e.g.
EMPERORLargest kind of penguin
EMPERORAndersen character with "new clothes"
EMPERORAugustus, for one
EMPERORInvisible-clothes wearer in an Andersen tale
EMPERORLargest penguin
EMPERORAkihito, for one
EMPERORHis new clothes were nonexistent
EMPERORHans Christian Andersen's naked marcher
EMPERORHirohito or Akihito
EMPERORBig moth
EMPERORHirohito or Nero
EMPERORNero, for one
EMPERORHirohito, once
EMPERORButterfly or penquin
EMPERORNero or Claudius I
EMPERORO'Neill's Jones, e.g.
EMPERORBeethoven's last piano concerto, familiarly, with "the"
EMPERORAndersen title character
EMPERORCaesar
EMPERORNapoleon title
EMPERORAbsolute ruler
EMPERORKind of penguin
EMPERORCaligula, for one
EMPERORHirohito.
EMPERORHirohito's rank.
EMPERORHirohito's title.
EMPERORTitle of Eugene O'Neill's Jones.
EMPERORRank of the Great Khan.
EMPERORKing George no longer is this.
EMPERORTitle of O'Neill's Brutus Jones.
EMPERORLarge orange butterfly.
EMPERORBeethoven's Concerto No. 5.
EMPERORCharacter in O'Neill play.