Mark and Luck, the puppies

Mark and Luck are some of the primary characters, most precisely, the titular characters, of Caio Cesar's web story Puppy Affection.

They are two brown bredless baby dogs of about one month of life that were taken from their mother by a female giant harpy eagle, and were left alone in the forest without food for eventually become the harpy's food. The two helpless animals were found by Alex and Bryan.

Physical Appearence
The two are described as very cute and fluffy, who enchanted the two boys that found they. Mark and Luck are breedless, mutt puppies, with about one month of age and hazelnut fur with a chocolate brown muzzle. They have a pink belly and are relatively robust. Their ears are small and short, sometimes, looking like folded up book pages extremities.

Luck wears a blue dog collar, while Mark wears a yellow one.