Mya, aka: Moo (most frequent), Moo Moo, Moobear, Myaface, muffin, stinker, boogerface (haha) pumpkin, Mya bear, boo bear, bear face, little girl, little face, face ("Hi faaaaace"
) Mya Bya, etc etc etc
any many more based on whatever random word comes out of my mouth that day!