Bubble (The Legend of Zelda)
From the Super Mario Wiki
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Bubbles also appears in Super Smash Bros. for Nintendo 3DS as Smash Run enemies, taking their appearance from The Legend of Zelda: Ocarina of Time 3D. There are two varieties of Bubble: Red Bubbles and Blue Bubbles, which can burn and freeze the player respectively on contact.
Super Smash Bros. for Nintendo 3DS