#4 Rosemary
Rosemary is a 33-year-old Canadian star that has been competing since 2008. She had her most notable moments when she was known as Courtney Rush. Since her professional debut, Rosemary has excelled relatively easily. It seems as if she has been capable of adjusting with no problems whatsoever, with each promotion she's worked in.
It took very little time for her to start gaining the attention of the top women's promotions, such as Shimmer.
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Now with TNA, Rosemary is one of the top names in the company, due largely in part to the massive success of the faction she is the leader of, which is known as Decay. Her character is one of mystery and relentless carnage. She is dangerous both physically, as well as physiologically, which would give her a great edge in a WWE move.