This popular, influential American animator co-founded with William Hanna the animation juggernaut known as Hanna-Barbera Cartoons in 1957, and thanks to their television cartoons generations have grown up with Yogi and Boo-Boo, Fred Flintstone and Barney Rubble, Dick Dastardly and Muttley, Tom and Jerry, Scooby and Shaggy, Ruff and Reddy..... More