Craved

Most Wallisms are painted or drawn on walls.

But these quirky examples, found in Agious Nikolas, Crete, have been craved into the soft plaster of an innocent wall.

Childish or sophisticated? A statement or a visual whim?  Skilled or clumsy?  Delightful or vandalism? 
Maybe these are a bit of all of the above, but Wallisms are a part of the texture of a place where people live, everyday.