Cheetah is actually the large-sized feline that inhabits across Africa, Asia and Middle East. These cats are by far the fastest runner on land in the animal kingdom. This article demonstrates you exactly how fast can cheetahs run.
Mae Questel was a actress and singer who was most associated with Betty Boop. At the age of 17 she won a contest imitating Helen Kane as sponsored by Kane. Later Mae would impersonate stars from the 30's from Fanny Brice to Eddie Cantor.
1 Another scene in the film had Boo say to herself, I'm Tigger!. Tigger is a tiger character from the Winnie the Pooh franchise.  In a book based on the first film, it is revealed that Boo's real name is Mary Gibbs (the same name as her voice actress).