EMPEROR

• Absolute ruler

• Akihito, for one

• Andersen character with new clothes

• Andersen title character

• Augustus, for one

• Beethoven's fifth piano concerto, familiarly

• Big moth

• Butterfly or moth

• Butterfly or penquin

• Caesar

• Caligula, for one

• Hadrian, e.g.

• Hadrian, for one

• Hans Christian Andersen's naked marcher

• Hirohito or Akihito

• Hirohito or Nero

• Hirohito, e.g.

• Hirohito, once

• His clothes didn't exist

• His new clothes were nonexistent

• Invisible-clothes wearer in an Andersen tale

• Japanese ruler

• Kind of butterfly

• Kind of penguin

• Largest kind of penguin

• Maximilian, for one

• Ming the Merciless, e.g.

• Montezuma, e.g.

• Montezuma, for one

• Naked ruler of fable

• Napoleon title

• Napoleon, for one

• Nero or Claudius I

• Nero, e.g.

• Nero, for one

• O'Neill's Jones, e.g.

• Palace occupant

• Palpatine, e.g.

• Sovereign

• Sovereign ruler

• Streaker of stories

• Supreme ruler

• Tiberius or Charlemagne

• Title of Japanese ruler Akihito

• Type of moth

• Type of penguin

• Vain title character of Hans Christian Andersen

• The male ruler of an empire

• Red table grape of California

• Large richly colored butterfly