The great George Herriman rarely passed up an opportunity to draw smoke coming from a chimney. He seemed to place smoke in a picture the way a hat designer would place a feather in a lady's chapeau.
For art's sake, every fireplace in Coconino County must have been roaring all summer long.
Each example is different-- fluid, intuitive and beautiful.
You can look at each of these little abstract designs as a miniature rorschach test:
For comparison, here is a drawing by famed artist Ellsworth Kelly from the collection of the Museum of Modern Art in New York :
I think the smoke from Krazy Kat's chimney is far superior as abstract art.