Unown is a Pokémon that comes out of a Poké Ball.
Unown's attack is similar to Beedrill's attack in Super Smash Brothers. When Unown is summoned, a random letter of Unown flies off the screen. A group of Unown's will then start falling down diagonally from the top of the screen. Any character that makes contact with the swarm of Unown's will take damage. The character will also be forced to the top of the screen.
Unown's attacks do not harm the summoner.