Artemis is a talking cat who is an advisor to Minako Aino/Sailor Venus and the rest of the Sailor Guardians. In comparison to the manga, anime, and live-action series, he and Luna are only present in one musical and its revision.
Nomenclature & Etymology
Etymology
Artemis was the Greek goddess of the moon and hunting, the twin sister of Apollo and the daughter of Zeus and Leto. She was known as Diana to the Romans.
Appearance
He retains his white skin but is depicted as a stuffed toy as opposed to a living cat.