The WWE's 30-man over-the-top-rope Royal Rumble Match is one of the most exciting events of the year and is always highlighted by huge surprises.

Did WWE Management Ask Daniel Bryan To Tone Down In-Ring Style?

Since its inception in 1988, the thrill of the bout for the WWE Universe was finding out who would come out next to join the fray once the buzzer sounds.

There have been several surprise entrants that came into the match when the clock reached zero and shocked the WWE universe through the years. You never know who is lurking behind the curtain until the WWE Universe jubilantly counts down from 10 and the buzzer strikes.

Bill Goldberg Says He 'Can Still' Return To The WWE

With the Royal Rumble set to emanate at the Wells Fargo Center in Philadelphia on Jan. 25, there are sure to be more surprises in store for the 30-man match.

Thus far, Roman Reigns, Daniel Bryan, Rusev, Bray Wyatt, Dean Ambrose, Bad News Barrett, Goldust, Stardust, Kane and The Big Show have been announced for the 2015 bout, leaving 20 spots open.

The WWE will continue to fill those slots on next week's RAW and SmackDown, but as usual they'll leave plenty of room for surprises.

We here at Sports World News have listed six possibilities of surprise entrants for the 2015 30-man Rumble Match.

CLICK START at the top right of the screen to begin the slideshow and scroll through it to see who we believe will show up in the Rumble Match. Feel free to share who you'd like to see in the bout in the comments section below.

For more coverage, follow us on Twitter @SportsWN and Like Us on Facebook