Cosmo

Cosmo, a gray terrier with cataract-clouded eyes, was Welton Blackwell's devoted dog for most of his life. He was already very old when the museum bombing killed Welty, and after that tragedy he transferred his allegiance to Pippa Blackwell, Welty's niece. Cosmo's stubborn, anxious personality—he scratches at doors and whines when kept from Pippa—mirrors the household's grief and the difficulty of adjusting to a world without Welty. He is described as having a grizzled face and a tendency to snore contentedly when curled up with Pippa, but he also retains a fierce, protective streak, barking sharply at strangers and refusing to be separated from those he loves.

Life with Welty and Pippa

Cosmo was Welty's dog first, and he lived in the townhouse on West Tenth Street for his entire life, from twelve weeks old. After Welty's death, Cosmo took up with Pippa, sleeping on her bed amidst pillows and stuffed toys, and following her everywhere. He is described as a "little terrier" who, like Welty's previous dogs (including Cosmo's mother Chessie, who was "a holy terror"), was not always fond of children. Cosmo's loyalty to Pippa is absolute; when she is away in Texas, he misses her deeply, and Hobie notes that the dog has been in a "terrible slump" since Welty died.

Personality and Behavior

Cosmo is a creature of strong instincts and limited patience. He raises his head and glares when strangers approach Pippa's bed, and he bites if provoked—though Hobie qualifies this with "Well, sometimes he bites." He is also deeply attached to routine and comfort: he curls up to sleep on the foot of Pippa's bed, snoring with a "drooling, blissful, half-purring sound." When Pippa's aunt Margaret arrives and insists the dog not be in the sickroom, Cosmo paces fretfully in the kitchen, his toenails clicking on the slate floor, whimpering and glaring at the humans who have separated him from his girl.

Old Age and Decline

By the time Theo returns to New York, Cosmo is very old and frail. He is deaf, suffers from three or four seizures a week, and Hobie admits that they "wanted him to live forever" despite his failing health. Cosmo eventually dies, and Hobie is deeply affected, saying he "blubbed like a baby." The empty basket by the stove where Cosmo once slept becomes a poignant reminder of loss, linking the dog's death to the larger pattern of grief that pervades the household.

Narrative Significance

Cosmo functions as a living link to Welty and to the pre-bombing world. His presence in the house—his barking, his snoring, his anxious pacing—grounds the narrative in the physical reality of the animals who share human lives. He also serves as a barometer of emotional truth: when Theo returns to Hobie's after years away, Cosmo's joyful recognition of him (running in circles, pulling at his necktie) signals that the bond between them is still intact. Cosmo's death, like Welty's, is a quiet but profound loss that Hobie must absorb, and his memory lingers in the empty basket and the stories Hobie tells about him.