From the Super Mario Wiki, the Mario encyclopedia
The Mushroom Jeanie is a Toad character from Mario Party 3. Mario and company can summon her by using the Lucky Lamp. Upon being called, the Mushroom Jeanie will appear at the Star space to move it to another location; in Spiny Desert, where there is a dupe Millennium Star on the board, she will always go to the real Millennium Star. The Mushroom Genie is her counterpart, who takes characters directly to the Star.
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