Demons

The Evil Demons are main antagonists in Samurai Slice series in Rhythm Heaven Franchises. They are black-pitch creatures with hand-like claws and spiky teeth who like to do mischief, causing troubles and steal everyone's previous items, and the only one who's always stopping them is the Wandering Samurai. Their first appearance was in Samurai Slice in Rhythm Tengoku where they were wearing red Tengu-like masks.