At the moment, revamping old Creatu ought to be our biggest priority. Nevertheless, this is a fun thread, so I'll chuck in a few votes. ^^
I'm torn between the three Holiday options. Maybe not Chinese for now - the Liyure ('s elongated form) actually resembles an Asian dragon a little, and we have more than one types of dragonlike Creatu. ^^ I think it might be easier said than done to create a Creatu for Chinese New Year, and yet, not making it look too Chinese. Res has an originality about it that, especially in the case of the Seasonals, makes the Creatu suit the holiday, but not a ridiculous amount. I know the Iluvu and Ebilia aren't very hard to guess, and the Jaaku and Easero may be quite obvious, but the Uilus is great for Christmas. Not too obvious, but reasonable, too. We'd need something like that for Chinese New Year - something totally original for Res, but has a kind of link to the themed holiday it belongs to. Plus the Chinese New Year and Valentine's are very close - the same day, I think. But I might be wrong. It might be difficult to create a Chinese Creatu and not look too Liyure-ish, if you all get my drift.
The Jaaku, for some reason, reminds me of a bonfire-type Creatu - but it belongs to Halloween already. Yet Halloween and Bonfire Night are sort of close - maybe a special kind of DK is released especially on Bonfire Night especially for the Jaaku? Or a Jaaku subspecies is created?
I think a Creatu for St Patrick's day would be very original. :3 So, I give my vote to that.