The site is GarfieldMinusGarfield.net and here is the site description from the website itself:
Garfield Minus Garfield is a site dedicated to removing Garfield from the Garfield comic strips in order to reveal the existential angst of a certain young Mr. Jon Arbuckle. It is a journey deep into the mind of an isolated young everyman as he fights a losing battle against loneliness and depression in a quiet American suburb.
Here is a sample:
I hate when people starting spreading the word about cool things and then they become uncool, so my apologies if I'm participating in that heinous practice now; but this concept is just too good and it's hitting too close to home right now to keep quiet.
So check it out if you need a good laugh or just want to feel better about your life.
It works, trust me.