Waterdevils is a 2016 hard rock album by Apollo, a Swedish musician known for his work with Spiritual Beggars, Firewind, and Evil Masquerade. The album features guest musicians such as Criss Amott and Per Wiberg, and includes a lineup of talented guitarists, bassists, and keyboardists. Ludwig Witt and Michael Ehre provide the drums for the album. Waterdevils is a must-listen for fans of hard rock and heavy metal music.