Greatest Hits of '07: "Invisible" LOL Cats

As we near the end of 2007, I'm re-posting a few fun posts from earlier in the year. Here's one of my favorites from April.
Yesterday we introduced you to LOL Cats, today it's time to dig deeper. It's hard to create a firm timeline of how these images evolved, but it appears that one of these two images created a subgenre of LOL Cats, which I refer to as "Invisible" LOL Cats:
More "Invisible" LOL Cats after the jump.
Check out more "Invisible LOL Cats" at I Can Has Cheezburger. (Warning: a few images have potentially offensive text in them.) Tomorrow: yet more LOL Cats!
UPDATE: By popular demand, see the ultimate "Invisible" image: "Invisible Everything" (from I Can Has Cheezburger).
This article is part of a series. Read the rest:
- Image Macros: Intro to LOL Cats
- Image Macros: "Invisible" LOL Cats
- LOL Cats: I Can Has Cheezburger
- Image Macros: I'm in Your X, Y'ing Your Z
- Image Macros: Oddballs and Advanced Forms
Note: check out the original post for more comments.