Have definitely heard of The Fabulous Moolah, she was a bit before my time though. The other two I haven't heard of, will check them out.
Lesnar could have been the greatest of all time but he had other ambitions. Tried to play in the NFL only for that to fall flat on his face, and then tried his hand at UFC where he became heavyweight champion. Apparently never liked the travel schedule with WWE, hence him leaving in the beginning.