Terms for subject Avuncular containing as... as

English	Russian
as clear as day	ежу понятно (Andrey Truhachev)
he is as nutty as a fruitcake	он кретин чокнутый
he is as nutty as a fruitcake	он туп как веник
he is as nutty as a fruitcake	он глуп как пробка
he is as nutty as a fruitcake	он абсолютный кретин
he is as nutty as a fruitcake	он тупой как баран
he is as nutty as a fruitcake	он бестолочь ненормальная
he is as nutty as a fruitcake	он баран бестолковый