#2. Former SAnitY member and WWE Superstar Killian Dain
Killian Dain was also announced as leaving WWE today, leaving his real-life partner Nikki Cross as the last surviving member of the popular NXT and main roster stable SAnitY in the company.
Dain's most recent WWE run saw him teaming with Drake Maverick, who everyone will remember was also released by WWE before being brought back. The team of Maverick and Dain have been used sparingly in NXT and despite being great together, did not win any championship gold.
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Before his NXT run, Killian Dain was the big guy in the stable SAnitY which featured Eric Young, who is now back in IMPACT wrestling, Alexander Wolfe who eventually joined NXT UK stable Imperium before being kicked out and released earlier this year.
Dain has had many great moments in WWE, the most notable probably being his involvement in the NXT ladder match to become the first ever North American Champion on the black and gold brand.