As you can see in the photo, the statue represents an old man, with long beard and a sword in the right hand... He is called Shoki-san, and this cute little trinket is in fact a house protection amulet, considered to drive away bad spirits and diseases...
Scroll down for a more detailed photo with the Shoki-san statue.
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 24mm
Aperture: F/5.6
Shutter Speed: 1/100s
ISO Sensitivity: ISO 400