The pen name of the four Romanov sisters. Olga, Tatiana, Maria, and Anastasia. All four of them were brutally murdered after the Bolshevik party took over Tsarist Russia after the Russian Revolution.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)