Shifty Shellshock, whose original band Crazy Town climbed to the top of the music charts with the 2001 pop hit “Butterfly,” will headline the Jungle Bash on Jan. 5 at Mandalay Bay’s Rum Jungle in Las Vegas.

Following Crazy Town’s release of the album Darkhorse in 2002 and collaboration with Paul Oakenfold on the song “Starry Eyed Surprise.”

In addition to his normal set list, Shellshock will perform the official theme song composed exclusively for Ultimate Sex Championship, a Jungle Bash sponsor.

The song, “Greatest Lovers,” will be performed live for the first time ever.

The Jungle Bashbegins at 10 p.m. sharp, and a free roundtrip shuttle service will be provided from the Venetian Hotel to Mandalay Bay beginning at 9:30pm.