Alien Bunnies, originally known as Space Hares, are a recurring alien species in the WarioWare series. They originally appear as the life counter for Orbulon's games in WarioWare, Inc.: Mega Microgame$! Every time the player loses one of their lives, an Alien Bunny gets sucked into a nameless void. Regaining a life brings one back from said void. Their spaceship appears in the Dribble and Spitz microgame, Space Escape.
In the Nintendo GameCube title, WarioWare, Inc.: Mega Party Game$!, the Alien Bunnies have their own minigame where up to four players have to keep away from a larger Alien Bunny in a girl's wig.
In WarioWare: Twisted!, Alien Bunnies show up during Orbulon's story as his minions.
In WarioWare: Touched!, the Alien Bunnies appear in various places. One appears in the ending of Dr. Crygor's game and in the intro of Mike's game, where he goes to a planet full of them.