Ooh, I like that. Winky face is definitely even better than smiley face. Also beats hospital plugs in the US, which are identical visually to other plug types, except for a green dot.
Personally I prefer type E despite growing up in a country with type F. They are less prone to being annoying when build quality is poor.
I actually prefer E coz I can just connect to ground via alligator clip if I need to
Fans of the Scream movie franchise may prefer Type I.
Type I is probably the best socket, cheap to manufacture, polarized, doesn't become lose like us type sockets.