Cookie is the second-in-command at Shelter 17. She's a tough-talking, hard-headed boxer with an attitude. However, she often displays a sensitive, loving side as well. She is also very bold, and not afraid to say what she thinks at any time. Before "Lucky Gets Adopted", Cookie appeared to be the only main character who had a family. In "Mutternal Instincts:, she starts to feel ignored due to her family's busy schedules and grows close to a puppy she affectionately names Cupcake. At the end of the episode, her family feels bad about not spending enough time with her and they adopt Cupcake to keep her company. She is voiced by Yvette Nicole Brown. In Barlow she was relaxing in the begining then she already left without Squirt and Niblet then she got back in time and he spots Niblet sleeping.
Throughout the series, it has been hinted that Lucky and Cookie have secret crushes on one another. Neither side has professed this love to the other though, and both remain oblivious to the other's feelings. In Rebel Without a Collar she had a breakup with Lucky who is going to date Fang. Cookie also falls in love with Fang.