From the Super Mario Wiki
Hulu is a dance instructor in Mario Party Advance. Her name is a play on "hula", a kind of Hawaiian dance. She is a Dancing Spear Guy who runs Shroom City's only dance school, the Dance Stage, with two other Spear Guys. She is the only known Shy Guy. The dance school is located in the Jungle Area of Shroom City, and her quest is called Jungle Jive.
To clear the quest, the player has to press different buttons (, or the ) that Hulu shows on a plate. If the player clears the quest, the Mini Bowling Gaddget is unlocked. The ending states that she has new students and a new classroom.
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