I think it's depending on the country. In Vietnam the rabbit replaces the cat for example. Anyway, in the story the cat is also invited by God but because of the rat he doesn't come and becomes a dammned sign or something like that ^^ That's why I also draw it.
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Celui qui dit qu'il est arrivé, c'est qu'il n'est pas allé bien loin. (Jean Carmet)
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2B or not 2B, that is the pencil...
CorrectNya~
In Fruits Basket, It tells you the whole storyyy, if your interested in things such as these. :3