Some people are weirded out by the immense popularity of My Little Pony: Friendship Is Magic. But other than the terrifying Equestria Girls, FiM has nothing on the original My Little Pony cartoon.

My Little Pony—one of Hasbro’s most recognizable and beloved toy lines—has been flying off shelves since it debuted in 1983. Here are a few things you might not have known about the toys, the TV shows ...