Toy Breeds (usually under 10 pounds):
* Chihuahua: The smallest breed, known for their big personalities and loyalty.
* Yorkshire Terrier (Yorkie): Long, silky hair and a playful, affectionate nature.
* Maltese: White, fluffy coat and a gentle, loving disposition.
* Pomeranian: Fluffy, fox-like appearance and a bold, confident personality.
* Pug: Cute, wrinkly face and a playful, loving personality.
* Shih Tzu: Long, flowing hair and a calm, friendly temperament.
* French Bulldog: Compact, muscular build with bat ears and a playful, affectionate personality.
* Cavalier King Charles Spaniel: Long, silky hair and a gentle, loving nature.
* Italian Greyhound: Elegant, slender build and a playful, energetic personality.
Small Breeds (typically 10-20 pounds):
* Bichon Frise: White, fluffy coat and a cheerful, playful nature.
* Boston Terrier: Short, smooth coat and a playful, affectionate personality.
* Miniature Schnauzer: Wirehaired coat and a clever, alert personality.
* Miniature Pinscher: Smooth coat and a bold, confident personality.
* Cairn Terrier: Wirehaired coat and a lively, independent nature.
* Jack Russell Terrier: Wirehaired coat and a energetic, mischievous personality.
* Papillon: Butterfly-shaped ears and a playful, affectionate personality.
* Havanese: Long, flowing hair and a cheerful, loving nature.
* Pekingese: Long, flowing hair and a dignified, affectionate personality.
This list is just a starting point. It's important to do your research and consider your lifestyle and preferences when choosing a dog breed.