Portal:Children's literature/DYK/16

...that Lamb Chop (pictured) is a fictional sheep that was created by comedian and ventriloquist Shari Lewis and first appeared on the children's television show Captain Kangaroo in 1957?
...that the US children's television series Romper Room aired for over forty years?
...that Yucca Mountain Johnny is a cartoon character created to explain nuclear waste disposal to children, and has attracted controversy, being compared to Joe Camel?

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