From 2010 onwards, some emoji character sets have been incorporated into Unicode, a standard system for indexing characters, which has allowed them to be used outside Japan and to be standardised across different operating systems.
Dipper is a 12-year-old (13-year-old by the end of the series) boy who, along with his twin sister Mabel, is sent to spend his summer vacation in his great uncle's tourist trap, The Mystery Shack. He endeavors to uncover the secrets of the fictional town of Gravity Falls and to find explanations for assorted strange situations.
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.