Buster - Busta, Butters, my huckleberry hound (if anyone remembers that cartoon and because he's a hound), pup .. the others because they are cute. and baby boy

Jenny - Jenners, Jen, Jen-Jen.. just short for Jenny and baby girl

Rocky - Ricky (my brother always calls him that), Rocky Balboa.. it's just a nickname we chose for him, baby boy.

Ginger - Ginger Ale, Ging-e, baby girl