Yahoo! is a company in Earth. It also appears in the game Super Mario's Cupcakes, as the mini boss of the 4th world. Its weak point, just like Google, was it's 2 O's. It attacked by throwing its Exlamation point at mario like a boomerang. Also, the Y would shoot laser beams at Mario. Yahoo! made a cameo appearnace in Mario Mart in the stage Grocery Villa.
Mario uses Yahoo! Mail