Hienas is a Spanish heavy metal band formed in 1984 in Madrid. They are known for their aggressive sound, powerful vocals, and energetic live performances. With a career spanning over three decades, Hienas have released numerous albums, including "Planeta Hienas," "Jinetes del mal flash," and "La mano de la perdicion." Their music has been praised for its originality, intensity, and unwavering commitment to the heavy metal genre.