the very unpleasant Chael Sonnen . 14. Roberta Mancino Stats Name: Roberta Mancino  Age: 26 Hair Color: Brunette  Job: BASE jumper/extreme sports Did you know: Roberta is an Italian extreme sports enthusiast and adrenaline junkie who has gone of four skydives completely naked. She's also: Lucky to be alive—while skydiving, on