I would assume that the quip was always there in the Japanese translation. Have we ever had any reassurances that the translation staff (Nicalis, I suppose) were diehard cave story fans. They could have thought the beast fang was something like the red demon (or whatever they call it) badge...
Do you have any idea why the midis sound so radically different when interpreted with a typical coded than when interpreted with the wii's codec? For the most part, the songs sound vastly superior on the computer than they do played on the wii (exception: vivi, among a few others...). It's...
Right you are. As near as I can tell, the low-res version of that sprite is indeed the beta sprite. I suppose it would make sense that Quote's halloween costume is his old outfit...