Voltkatze (ヴォルトカッツェ Vorutokattse) is the 25-year old descendent of Boyacky in Yoru no Yatterman. His family has served Doronjo's for generations. He is a handsome man that is also a genius mechanic. He is part of the new Doronbo Gang going under the alias of his ancestor Boyacky and is serving under Leopard and working with Elephantus. He is voiced by Hiroaki Hirata.