37. Mario Lopez, B.J.S. (Before Japanese Straightening)
Reminds us of: A loofah
Ah, the plight of the Saved by the Bell kids—immortalized by stereotypical early '90s coifs. Mario Lopez certainly has manicured himself within an inch of his life these days, but no amount of ab shots or episodes of Extra will ever make us forget the tight, curly mullet that defined AC Slater.