#4 - Evan Bourne
Evan Bourne was a part of WWE for over 6 years but surprisingly made just one Royal Rumble appearance. He was a part of the 2010 match and was the second entrant.
He kicked off the rumble with Dolph Ziggler but could not make an impact. He was the first to be eliminated by CM Punk, who went on to register 4 other eliminating in the same rumble.
#3 - Kharma
The 2012 Royal Rumble saw a lot of surprise entrants in the form of Mick Foley, "Hacksaw" Jim Duggan, Jerry "The King" Lawler, Booker T, and even Michael Cole. But Kharma making her way to the ring as the #21 entrant stole the show.
She lasted just a minute in the ring but managed to get an elimination to her name. Hunico was thrown out of the ring by Kharma before Dolph Ziggler managed to get her over the ropes.
Technically, the elimination of Michael Cole could also be credited to her as she intimidated him to get over the top rope and eliminate himself. The rumble was her only official match in WWE.