Grand Duchess Anastasia Nikolaevna

 is the black hummingbird familiar of Shakäste.

Trivia

 * Stacy's full name (Grand Duchess Anastasia Nikolaevna) is the name of the youngest daughter of Tsar Nikolay II of Russia. The real Anastasia was rumored to have escaped the murder of her family by the Bolsheviks; DNA testing later proved that she died with her family.