Konohamaru is not a perv. He only does what he does to impress naruto.Third hokage isn't a perv. He like most guys are caught off guard by a guy transforming into a naked woman.Naruto isn't a perv he only does it to piss/impress off his teachers. After he gained the respect of his peers and village he stopped. Kakashi is a closet pervert, he does what he does with remorse not feeling comfortable reading it out loud. Jman is a perv without remorse. Minato? I doubt it.Even if he is he had kushina, she would do anything for him.