User blog comment:WonderfulAsia/Hetalia English Dub Cast Updates/@comment-1151277-20100710182655

@Watermint It also helps that (if memory serves) the few times "Germany's boss" is referenced he is implied to be insane.

That reminds me, I really need to get caught up with South Park (I'm like, two years behind, which just makes my avatar ironic I guess).