This mod for Stardew Valley that adds a domestic animal companion for each player. Each of these animals has its own unique look, behavior, and abilities. Some of them will wander around the map and interact with the player, while others will stay in one place and will not interact with the player.

These are the animals that are included in the mod:

Brown cat for Willy
A few black cat slimes that stay in the witch's hut/swamp
Chicken
Guinea pig 
Dog
Parrot
Rabbits
Rooster
Shadow pups in the sewers
Stray dogs