This is fun!
Names for me and DH (Cheryl and Jim): schmoopee (ala Seinfeld). sweetie, honey, booboo, sugarpants, lovebug, bobo, funnyhosen, loverlips etc. We are really sick like this. I don't think we ever call each other by our real names.
My names for the pets (Bodhi, Loki, Rocky, Chinni): Bodhipie, Lokibug, Lokipie, schmoopee-pie, cuddlebug, fat Rocky, chini-weenie, moviestar (loki, because he is sooooooooo gorgeous), puppies, puppypie. wuwus