The main character, Grimmy is an oddly colored Bull Terrier who belongs to Mother Goose, though she often refers to him a kid or a child.
Grimmy, Attila, and Ralph's keeper, who refers to them all as her children. Strangely enough, she's a goose herself, who keeps dogs and cats as pets, which still has many confused.
A purple cat who lives with Grimmy and Mother Goose.
A Boston Terrier introduced to the strip in recent years. He lives with Mother Goose, Attila, and Grimmy.
HamMother Goose's neighbor before mysteriously diappearing.
Sumo the CatA cat who hangs out with Attila. Seemed to have disappeared until a 2011 story arc.