Arbuckle is a comic strip that intentionally rips off Garfield.

In fact, "Arbuckle" is just "Garfield" comic strips redrawn with the thought bubbles (from Garfield) removed.  The result? 

"Garfield" changes from being a comic about a sassy, corpulent feline, and becomes a compelling picture of a lonely, pathetic, delusional man who talks to his pets.

Here, for example, is the original Garfield:

And now the Arbuckle version:

Heh.