I'm really not good with nicknames but my OCs do have a few. The names in parentheses is who calls them that nickname.
Pumpkin: Diva Dog (Georgie and Tessa) Pumpkin Pie, Devil Dog (April), Leashed Dog (Diamond), Whitey (Jade), Marshmallow (Tyson and Thorn), Troublemaker, Fluff Ball.
Diamond: Alley Cat (Pumpkin), Stripe (Jade), Tiger (Blaze and Dove), Dia (Treasure).
Jade: Alpha Dog (Diamond), Tiny (Pumpkin), Blackie (Blaze) Hotshot (Thorn and Diamond) Shadow (Dove), Alpha (Tyson).
Thorn: Lucky Charm (Pumpkin, Dove and Tyson), Beauty (Fang) Sleek (Diamond), Beta (Jade)
Tyson: Egghead Big Ears, Smarty Pants. (Dove and Blaze.) Tyce (Everyone) Whippersnapper (Arrow), Pup (Thorn).
Dove: Pup (All) Lil sis (Tyson), Lil (Blaze) Drama Pup (Diamond). Young one (Thorn)
Blaze: Scaredy cat (Tyson and Dove) Trouble (Jade and Diamond.) Pup (Thorn)