To help you, I would need clarification. However, if you intend to based on this phrase as an original concept, I can draft a playful academic-style paper for you. Below is a mock "research paper" written as if "Alina Micky the Big and the Milky Nadinej New" were a legendary or folkloric motif.
The term is less about a single person and more of a brand identity or community tag often used within the "curvy" and "body positive" modeling niches. alina micky the big and the milky nadinej new