To that end, I give you: GODZILLA!
(Okay, this one is photoshopped, using this human-sized Godzilla):
This one was from an even in 2000 at Odaiba Aqua City Hall:
This was from 2007, also at Odaiba:
From super-realistic origami to static ring juggling to dancing robots, to automated car parking, to accordion busking, Japan is an interesting place to look at from a non-Japanese perspective. Of course, the longer that I stay out of the country, the more my perspective shifts away from the Japanese. I've really got to get back.
More Christmas kaiju displays at AltJapan.