I have three dogs (TOO MANY), all with nicknames.
Bear, a male samoyed. Nicknames my family has used for him: Bearski, Bearskin, Beary, Old Man, Old Woof, Old One, Wooey (he makes a "wooing" sound a lot).
Tundra, a female samoyed. Nicknames: Tuna, Tuna Boona, Tunith, Bobatundie, Toon-dar-ah, Tun-of-fun, Tuna fish, The b***h, Tuna-bitch, Tun, Tun-tun, Devil Dog.
Coco, a male pomeranian. Nicknames: Coke, Cheen, Cheeno, Cococheeno, Psycho-dog, Satan Incarnate, Devil Dog (again...it's my mom's resort), Taileypo.