Roberto Esquivel Cabrera - The Man With The Half-Metre Penis - Discover 3 Natural Ways to Increase Penis Size: br br br br ROBERTO CABRERA is the man with 19 inch - Roberto Esquivel Cabrera - Guinness Record 2017. Nature can sometimes be unfair when assigning external physical attributes. Many men inherit a combination of genetic predispositions that result in male reproductive organs smaller than what is currently considered an average size.