Brachycephalic dogs, or flat-faced dogs, have several physical characteristics that can make them appear more cuddly than longer-muzzled dogs. These characteristics include:

- Larger eyes: Brachycephalic dogs often have larger, more prominent eyes than longer-muzzled dogs. This can make them look more baby-like and appealing.

- Shorter noses: Brachycephalic dogs' shorter noses can make them look more compact and cuddly. They can also give them a more "squishy" appearance, which can be endearing to some people.

- Rounder heads: Brachycephalic dogs' rounder heads can make them look more like dolls or stuffed animals. This can make them more appealing to people who are drawn to cute and cuddly things.

- Friendly personalities: Many brachycephalic dogs are known for being friendly and affectionate. This can make them even more appealing to people who are looking for a cuddly companion.

Of course, not all brachycephalic dogs are cuddly. Some can be quite independent and aloof. And some longer-muzzled dogs can be just as cuddly as brachycephalic dogs. Ultimately, the best way to find a cuddly dog is to meet several different breeds and see which one you connect with the most.

Here are some of the most popular brachycephalic dog breeds:

- Bulldogs

- French Bulldogs

- Pugs

- Boston Terriers

- Shih Tzus

- Pekingese

- Lhasa Apsos

- Havanese

- Maltese

- Toy Poodles