Meeps, that's who I thought it was, based on the music from Destiny of an Emperor. Good to know someone else does, though I now feel foolish for not having brought it up sooner. Every once in a while I'd put that name and "ducktales" into google and this is the first time anything has come up!
http://youtu.be/05tH30ZxQTg the regular general battle theme I consider somewhat incriminating, though it was the
http://www.youtube.com/watch?v=KK5uVZOcsPs#t=2m05s cave tune that caught my attention for a reason I cannot recall.
http://www.youtube.com/watch?v=HMEDr7Wo9vE#t=39m24s The city music starts in the same manner as the Transylvania music but it is otherwise dissimilar.
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http://www.youtube.com/watch?v=ZnCzVUK4Eqw I wrote all that right before I went to sleep, after humming to myself rather than having any good listens. I think truly the proper "boss" fight music sounds similar in both games; they both have a similar effect I have decided to describe as "antagonistic high note duo" in them. I may be thinking about this too much.