Shinshi
As time passed, people started to connect certain animals with specific shrines. It became a custom to take care of these animals when they were found within the area of the shrine. Normally, each kami had only one animal familiar, but sometimes, there were some exceptions where a kami had more than one. Even some of the "Seven Lucky Gods" like Daikokuten (a mouse) and Benzaiten (a snake) had animal familiars.