Kelly Grant "K.G." Bianca is a worker of S.H.A.D.O.W. and Happy's former owner.
K.G. is shown to be a small women with big red hair, wearing a dark red short, blue skirts and black shoes. She also wears glasses.
K.G. Bianca is S.H.A.D.O.W. top dog trainer of the best attack dogs. She has train their dogs to bite their victims but her most promising dog is Happy (or Agent Stray) when she deliver his next mission, which is to bite Bessie Higgenbottom as a warning to the honeybees, he refuse as his code is to NEVER bite women and/or children but K.G. threaten him with "THE WORD" if he doesn't bit her. Later that night Happy brought K.G. and two of her dogs to a warehouse, claiming Bessie is in there and was told to stay outside however after the warehouse was destroyed (by a second one) she and her dogs cry for the lost of Happy, then laughed for all the good times they had but then became angry when they discover that Happy faked his own death and took the ear her ripped out as a necklace for her.
In The Bone Identity, she sent a picture of Happy missing ear to the Higgenbottoms house as a trap to lure Happy so she can recruit him back in to S.H.A.D.O.W., only to see that Bessie came instead and after telling the whole backstory, K.G. made Bessie tell her where Happy is, which involve her telling entire event of their encounter. As K.G. and the dogs were sleeping, Bessie stole the ear and ran off, with K.G. on her tail, in which they encountered Happy as K.G. told Happy to finish the mission as she revealed that the person who hired S.H.A.D.O.W was the nuget lobby as they hated that Bessie caused Nuget sale to down to the ground, even saying "THE WORD" and having Happy bite Bessie, which is revealed to be two balloon statues he created to distract them.
In her next (and last) appearance C'mon Get Happy!.