Bartok the Magnificent

Bartok the Magnificent, directed by Don Bluth and Gary Goldman, is a 1999 directtovideo spinoff to the 1997 film Anastasia, which features Hank Azaria as the voice of Bartok, Kelsey Grammer as the voice of Zozi, and Jennifer Tilly as Piloff. It is a family adventure...animated comedy film, according to Fort Oglethorpe Press.

Russia is being terrorized by an evil witch known as Baba Yaga Andrea Martin, and the only one who is not afraid of her is Bartok the Magnificent Hank Azaria. Bartok, an albino bat, has just arrived in Moscow and is impressing everyone with his performances, including Prince Ivan Phillip Van Dyke. However, Ivans advisor, Ludmilla Catherine OHara, finds Bartok annoying and naive, and she tries to make a Cossack stop his performance. After Bartoks show, a bear suddenly attacks. Bartok saves everyone by stunning the bear, knocking it over, and trapping it in a wagon.Delighted with Bartoks bravery, everyone around him rewards him with gold, including Prince Ivan, who gives him a royal red ring, much to the displeasure of Ludmilla, who reminds him that the ring is only for members of the Romanov family, not commoners. She asks that he take the ring back, but Ivan disagrees, saying it is time for a change. Ludmilla, seeing that she cannot dissuade him, reluctantly allows it and they leave. ........

Source: Wikipedia