Triplets

The Triplets are three Goombette siblings from Super Mario RPG: Legend of the Seven Stars. They are the "little ones" of Goomba, who fled the Koopa Troop out of fear of fighting Smithy, and ended up running a small shop in Monstro Town. After they are introduced to "Uncle Bowser" by their mother, they offer their services as a way to help him get his keep back. While their mother sells some equipment and refreshments, the only item the Triplets themselves sell is a variety of Mushroom that turns the party member it is used on into a Mushroom (like the effect of the Funguspike or Petal Blast special moves). The item restores 30 HP immediately, and the party member, though unable to attack, continues to steadily recover more HP until the effect wears off as usual.

Trivia

 * The particular brand of Mushroom that the Triplets sell to Mario has a typographical error in its description in the item menu. It reads "Recoers 30 HP, but..."