HEY GUYS! WHO DO YOU THINK IS THE SMARTEST AND THE CLEVEREST OF ALL ANIME DETECTIVES?

OUT of conan, kyu, kindaichi, or L? i used to watch detective conan when it aired on tv, but bad luck it stoped airing and after that i forgot everything and didnt download.i watched full detective school Q on my comp and i like it.i have no idea about kindaichi! but some people say its very good .and i have watched deathnote and its definitely something!awesome.but if light would have been a detective than my vote would have gone to him.but i like L too.well what do you think? and if you think there someone more smarter or intelligent than these guys then please name them and from which show they are? thanks