Persephone, his wife
Hades spends his time in the Underworld.
His wife Persephone, for half of the year.
In Greek mythology, Hades was the god of the Underworld. Hades had control over the dead and protected his control fiercely, but was otherwise mostly passive.
They'll "hang out" in a herd on the grasslands, mostly out in the open where they can spot predators.
Zeus (well mostly because Poseidon was jealous) and Hades
Mostly Zeus and Poseidon but he resented all the gods as well.
In Greek mythology, Hades is the god of the underworld, which is also known as the realm of the dead. His domain is where souls go after death, and it is not so much a place to "hang out" as it is a place of final judgment and rest for the deceased souls.
Crows
She usually spent time with her husband Hades, or her mother Demeter.
It depends on the breed but they mostly hang down
Well they certainly didn't dislike him Hades was mostly a god that kept to himself except when his wife was with him. They did however have great respect for him he had the most demanding job out of any god.
no, not really. he will look mostly the same as described in the book.