Cats have been known to hide deeply under the water heater in order to avoid cloning.

Cats are the biggest egocentrics of all:
They know they are unique, each and every one, and no mere copy is going to suffice. Indeed, a copy is competition. They want your lap for themselves. Identical DNA or not, they're not willing to share the foodbowl with another cat, much less themselves.

If you must clone your cat, think twice.
You only have one lap.
Your cat most likely has a lot of unique bad habits...
(He likes to think of them as wonderful personality quirks...)

Dou you really want more than one cat who only goes after the most expensive stick of furniture in your house?
Do you really want more than one cat who claws stereo speakers?
Do you really want more than one cat petrified of your socks (as is the cat cloned at this site)?
Do you really want more than one cat with his own Valium prescription?
Do you really want more than one cat with a specialized fetish for shredding houseplants?
Do you really want more than one cat without any oars in the water?
Do you really want more than one cat who uses your prime sleeping hours to plan and carry out vast acts of homewrecking?

(Your own cat may have his or her unique habits; substitute accordingly. If you just go and get yourself a different cat, you may be less aggravated by the same old personality traits.)