From “Stone Cold” Steve Austin to “Macho Man” Randy Savage, sports-entertainment’s greatest have battled for the WWE Championship. But you won’t believe these five unlikely competitors challenged the WWE’s greatest prize.

It's a new look and a new attitude for Sheamus, but The Celtic Warrior is hardly the first Superstar to rock a mohawk in the ring. Check out these photos of other ring ruffians who were so tough they didn't care what anybody thought of their hairdo.

From Eddie Guerrero to Dean Ambrose, see the elite group of Superstars who have carried the United States Title in WWE, including your current champion John Cena.

Tomorrow night on Syfy, Daniel Bryan & Dolph Ziggler will join forces to take on Sheamus & Bad News Barrett in a huge tag team showdown. Can The Beard and The Showoff gain retribution against their hard-hitting adversaries? WWE.com previews this week's can't miss episode of SmackDown.