Nicholas II or "Nick" is a male Black Moscow guppy.
Link to Nick's video on DropBox:
Nick's eponym (aka named after or "namesake") is Nikolai Alexandrovich Romanov;[d] 18 May [O.S. 6 May] 1868 – 17 July 1918 or Nikolai II, the last reigning Emperor (Czar) of Russia, King of Congress Poland, and Grand Duke of Finland from 1 November 1894 until his abdication on 15 March 1917.
(https://en.wikipedia.org/wiki/Nicholas_II)
Submitted FYI.
May you and yours be well and loving life today.
In Lak'ech,
JaiChai