Article continues below advertisementJack Osbourne fiercely defended his late father, Ozzy Osbourne, after Pink Floyd co-founder Roger Waters made disrespectful comments about the rock legend. In a fiery social media response, Jack dubbed Roger a "c---" for his remarks regarding Ozzy's music and outrageous persona.Article continues below advertisementSource: MegaRoger Waters dismissed both Ozzy Osbourne's music and his outrageous persona.Article continues below advertisementRoger, 81, expressed his feelings about Ozzy during an appearance on The Independent Ink last month.