LUNA: Luna is Sailor Moon's Guide Cat. She is there to train Sailor Moon and the other scouts. Luna’s special power is called the “Luna mind meld.” She used it in Sailor Moon R to give Serena and the other scouts their memories of the moon and being sailor scouts back.

ARTEMIS: Artemis is the guide cat to Sailor Venus. He trained her to be Sailor Venus and then aided Luna when the Scouts where reunited.

DIANA: Diana is Rini's guide cat from the future.