Mepple is a fairy originating from the Garden of Light who also gives Misumi Nagisa the power to become Cure Black. He is also the chosen protector to Mipple, another fairy whom he's in a lovey-dovey relationship with. He can be very arrogant because of his status as a chosen warrior. Because of this, he always expects the best of everything and to be respected by others. Despite this, when he is with Mipple, he is a much gentler person and loves her very much. Also has a temper and stubborn.