Crossword puzzle clue "russia's last tsarina"

___ Nikolaevich, last czarevitch of Russia

Last tsar of Russia.

Nicholas II was the last of them in Russia

Character whose last words are "For hate's sake I spit my last breath at thee."

Valley girl's "yeah, right" [IMPORTANT: SEE THE 'NOTE' (above) for key info about this week's puzzle and SEE THE LAST CLUE DOWN for the explanation of last week's puzzle.]

Boxer whose nickname is the last five letters of his last name