Hulk Hogan doesn't know who the woman in his sex tape is.

The 58-year-old wrestling legend admits he went "crazy" and was "running wild" with more than one love interest for four months around the time the tape was created, which he thinks must have been about five years ago after he split from wife Linda Hogan in 2007.

The footage is alleged to show the IMPACT Wrestling star involved in sexual relations with a mystery brunette woman.

"It wasn't just one brunette I was running wild for a few months. I don't even remember people's names much less girls. Why would someone hold onto this for at least five years?" Hulk - who uses the wrestling catchphrase "whatcha gonna do when Hulkamania runs wild over you" - told TMZ.com.

Hulk - real name Terry Bollea - has branded the tape, which is currently being offered for sale to porn companies - an "outrageous invasion of privacy" and claims it was "secretly filmed."