#3 WWE Star Neville
In 2012, Neville made his WWE debut and spent three years on its developmental territory NXT. During this time, he absolutely thrived as a star. He held the tag team titles twice and the NXT Championship once for a total of 287 days.
Because of such a great run, Neville is believed to have become one of the major guys upon his debut on the main roster. However, "The Guy That Gravity Forgot" got mixed up in the mid-card picture. While Neville could've remained as a mid-card act until his last day in the company, he refused to do so.
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In 2016, he made some major changes to his character and turned heel to become a part of 205 Live. There, he literally became the king of that brand. His new character brought outside a new and fresh side of him, and it made fans pay huge attention to him as well as the cruiserweight division.
Within a few weeks of being on the brand, Neville won the Cruiserweight Championship and held it to a record-setting 197-days while defending it against a plethora of stars. Neville spent almost six years in WWE. He spent the better part of it as a babyface, but his best time in the company inarguably came when he turned heel.