#5 Bray Wyatt

Bray Wyatt came to the main roster as the leader of a group called the Wyatt family having Luke Harper and Eric Rowan as its members. While the group initially looked formidable owing to the skills and strength of its members, it fell flat due to its strange, dark and at time confusing gimmick. The character of Bray Wyatt, while being a very good performer and a great mic worker, got lost in that gimmick.
Till now, Bray Wyatt has had all types of opponents ranging from WWE veterans like the Undertaker, Randy Orton and Matt Hardy to the newcomers like Dean Ambrose and Finn Balor, but he rarely emerges victorious out of a rivalry. His character has been reduced to the one that kept making tall claims and uttering strange words while challenging his opponents but fails to perform when it mattered.
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His short stint as the WWE Champion turned out to be a failure and so was the story behind it. He later went on to become tag team champion alongside Matt Hardy but nothing fruitful came out to their reign as it added nothing to their characters. Bray Wyatt, as a character, has fallen into the ranks of WWE and is in urgent need of reinvention.
Current Scenario
He has not been seen on TV for quite some time now since his tag team partner Matt Hardy got injured but is expected to return soon to the WWE programming. Judging by his Twitter posts, he is expected to return with a new persona and not that 'Eater of the Worlds' stuff.
What can change?
First of all, he should start winning high profile matches. Making baseless claims always proves to be detrimental to a WWE superstar. The audience never develops an interest in a character, which it knows, will eventually lose. He needs to be involved in something meaningful to be taken seriously by the WWE Universe. On his return from injury, WWE should propel him to a mid-card championship scene and if possible make him the champion. His character will develop considerable depth with a long and eventful championship reign.