Dango

The Stackin' Stu is a certain group of Stus located in Pinna Park in Super Mario Sunshine. It is formed by the Giant Stu and ten Strollin' Stus. If Mario knocks all the Strollin' Stus off the Giant Stu and jumps on the Giant Stu, he gets a Blue Coin and all the Strollin' Stus vanish.