Since 1957, Hanna-Barbera has been creating some of the most memorable cartoon characters of all time: Scooby-Doo, Sealab, Josie and the Pussycats, Wally Gator, The Hair Bear Bunch, and Snagglepuss among others. Show that you are a fan with a Hanna Barbera t-shirt!
Hanna-Barbera made 249 original series over their time. It is calculated that they made over 1200 hours of original programming. That is equal to watching cartoons 24-hours a day for a little more than 50 days.