The 17-year-old reveals some people have a problem with his stroppy attitude on the show which features legendary rocker dad Ozzy, manager mum SHARON and singing sister KELLY.
He says, "I get loads of hatemail. like, 'Throw Jack out of the house and s**t like that.
"I get more than anyone else, just from f***ing retarded kids. I was slapped in the face in a club once because a woman went 'you're that spoilt brat from TV.' I was ready to kill her."