Nah, they were a novelty act with limited shelf-life.
It would be like putting The Godwinns on there.
Really the only major WTF listing is Kane/X-Pac. Everyone else from 41 on up definitely deserves to be listed, although plenty of rankings are way off.
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Thank you, Eddie Guerrero.
http://www.wwe.com/f/styles/photo_large/public/photo/image/2012/04/33_Moscow_04112012jg_02128.jpg