The crossword solution for the term 'Butterfly or Penguin' is 'EMPEROR'. EMPEROR is a title for a monarch, usually an EMPEROR, empress, king or queen, who rules over an empire. The title is derived from the Latin imperator, meaning commander or one with power. In some cases, the title is also used to refer to a non-monarchical ruler, such as a military dictator or a president with significant powers. The title of EMPEROR is often associated with the Roman Empire, but it has been used in many other cultures throughout history.