Before the newly debuted TV show "Catscratch", there was a comic book series named "Gear".
The comic is very different to the show. Mr. Blik was called Mr. Black, there's a fourth cat named Simon, and instead of inheriting money and a mansion, the cats highjack a giant robot.
The comic has a darker tone than the TV Show. But here's a scene from the comic featuring Waffle obsessing over guppies (rather than newts like in the show).

You can
buy the 150-page trade paperback for 14.95. If you just want more information on the comic,
click here.
Oh, and for the record, Gear was
not a transforming Monster Truck in the comic.