Some of the most popular cartoon characters today got their start in the 20th century. From Mickey Mouse and Betty Boop who were created in the 1930s to the Ninja Turtles and The Simpsons in the 1980s, we've all seen at least one of their faces on television. Although most of these shows are no longer on air, many of them are commonly referenced throughout pop culture. You don’t need to be from that era to know about these characters, so let’s see how well you can identify them.