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From Unmariowiki

The SMK TV Announcers are different depending on which cup is being held. In the Waffle Cup, Smiddle is the Announcer. In the MeatLoaf Cup, WarioLoaf is the announcer. In the AAAAAH! Cup, 2D is the announcer. In the Paper Cup, Paper Jorge is the announcer. In the Pipe Cup, Count Bleck is the announcer. There was no announcer for the Dice Cup, because the show was cancelled at the time. In the Cheese Cup, HK-47 is the announcer.