Toasty is a comfort name — warm-toned, slightly silly, impossible to say with a frown. It belongs to the cluster of cozy adjective-names that have migrated from baby talk into actual registered pet names: Cozy, Fluffy, Toasty. The owners who choose these names are communicating something real about how the pet makes them feel.
The Warmth Aesthetic
Toasty implies a pet who is physically warm, soft, and satisfying to hold — the name is tactile before it's anything else. A dog named Toasty is almost certainly the kind of dog who sleeps pressed against your legs and radiates heat. Golden or warm-toned coats complete the picture: Golden Retrievers, warm-brown Dachshunds, fluffy Pomeranians in autumn colors.
The Adjective-Name Category
Adjective names for pets have a long informal tradition — they're the names that happen because someone said "this puppy is so toasty" and it stuck before a real name was decided. Most of the 37 registered Toastys probably have that origin story. The name is chosen by feel, not deliberation.
The Counter-Reading: Hard to Use with Authority
"Toasty, no!" is structurally incoherent. The name's warmth and softness make it nearly impossible to say with discipline. Owners of dogs named Toasty tend to have dogs who don't get scolded much — or dogs who don't respond to scolding regardless.