The Ramblin' Evil Mushroom is an enemy in EarthBound. As its name suggests, it is an ill-willed pink with white polka dot mushroom with feet, allowing it to "ramble" about. They can be encountered in battle outside Twoson en route to both Onett and Peaceful Rest Valley.
These guys can be encountered in groups of 2 or more, has a low damage standard attack, and has relatively low HP and defense. Despite this, they can spread spores, which give the party the Mushroomization status ailment, and can call for help, which causes other enemies to join them in the battle. There is a similar enemy called Struttin' Evil Mushroom, which is slighty stronger and is colored light green and light orange.
Ramblin' Evil Mushroom appears in Super Smash Bros. Ultimate as an item. When its spores are shot at a foe, it will change the opponent's controls, similar to the mushroomization status ailment.
Ramblin' Evil Mushroom also appears as a support spirit in the new Spirits mode. It's class is novice and it's type is grab.