"What if, to a child, what appeared to be an imaginary friend, was in fact his guardian angel?"

Such is the concept behind Peter and Company, a comic by Jonathan Ponikvar. Peter, a 12-year-old cat, is having trouble surviving childhood when suddenly a new friend appears literally out of thin air: Seth, a white-suited duck. Peter thinks that he is the only one who can see Seth, but quickly discovers that he is not the only one in his neighborhood who has a "special friend."

In the Peter and Company universe, Seth and those like him are called Guardians,...