Bollod2... Those were sculpted for my own pleasure because I'm a big fan of the Looney Tunes. Honestly, I'm not sure Sculpey would resist the molding process required to create a mold... I've never tried.
Getting those subjects as kits would also require some re-thinking of the positioning of the various elements (arms, legs,...) to allow the kit to be molded...
Also, and possibly the biggest hurdle, would be what Warner Brothers' lawyers would think of me making money off their 'rights'...