I believe it was Carl Faberge, of the House of Faberge, who made these "Faberge eggs" as they are usually called. See the Related Link below for the Wikipedia entry on the Faberge eggs.
Yes. For more info about the Faberge Eggs, see the Related Link below.
The Faberge eggs were made as Easter gifts from the Tzar to his wife. The Russian royal family was Russian Orthodox religion. They were made by the jeweler Faberge out of diamonds, gems, pearls, and enameled. They had little special things inside of them.
No, Tsar Alexander III was the Emperor of Russia who commissioned the eggs to be made by the House of Fabergé.
Mainly the Easter eggs that the Czar of Russia gave his wife .
He's famous for his ceramic painted and lavishly embellished eggs.