For what it's worth, "Nizbek" is a mistranslation. The final version of the translation can be found here: http://www.bluegartr.com/threads/125...29-Translation

Yoshida confirms that 3 out of the 7 Midgardbabbys are Nidhogg, Tiamat, and Bahamut. He refers to the origins of Bahamut and his summoning as part of a "side story quest". Let's hope the Delivery Moogle takes us to Meracydia!