All of The Spells have purple skin, with purple, baby pink and orange hair. They have white eyes with no pupil. They have spikes on their arms and an orange heart on their chests. According to Frankie stein, Casta and the Spells are a witch band, so it may be that the Spells are witches too. However, do to their appearance, they might be magical conjurations by Casta. They have the power to fly unaided.