The Transformers characters are spelled Quintessons.Quintessence, literally fifth essence (from Latin quinta essentia), can refer : Aether , the fifth classical element after earth, fire, water and air Quintessence , a hypothetical form of dark energy; postulated to explain the accelerating universe Quintessence , a 1970s progressive rock band specializing in Indian themes and sounds Quintessence , a Nu soul band led by singer Emma Salokoski Quintessen