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.
One reference in Betty Boop's Hollywood Mystery by Lola DaVille indicates that Betty is over the age of 16. Betty's official age isn't stated on her website but it could be indicated that her age range is somewhere around 18-20.