Sideways Stories from Wayside School, by Louis Sachar. (Avon Books, Humorous episodes from the classroom on the thirtieth floor of Wayside School, which was accidentally built sideways with one classroom on each story.
The Berenstain Bears ~ The first series aired in the the books have been in print for over 40 years. That doesn't change the fact these bears were a big part of my childhood. I read the books and watch the series on my VHS tapes for years.
Matt Groening is most well known as the creator and executive producer of "The Simpsons". He is a cartoonist and writer responsible for the cartoon strip series "Life in Hell" and the Animated Television Cartoons "The Simpsons" and "Futurama".