"Kupo, kupkup, kupopo...
Po... Kupo!? KUPOPO!!!
<chomp chomp> Kupooo."
The description of the Kupo Nut key item in Final Fantasy IX. It's a quote attributed to the moogle Moguto. Moogles sure love those kupo nuts.
Mog, the most famous moogle of all, only had one appearance in Final Fantasy VII - In the mini-game "Mog House", in the arcade. All you had to do was feed him kupo nuts until it said "That's enough". Then Mog could fly and win the affections of the girl-moogle of his dreams. Yessir, them moogles sure love their kupo nuts.