Looks to me like you almost have it in your moniker. Moocher...You could then call her for short "Mooch" the Pooch.

I've had 3 Labs myself. Boy, they are good dogs.
1. male: Levi Jackson
2. female: Tar
3. female: Miss Magoo

Sure wish I had them back. Have fun with the chewin' and s shovelin'. fp