In Mario Party 8, MC Ballyhoo is the host of the Carnival. He appears in the boards and games to help the player. The hat he wears on his head is called Big Top.
Super Smash Bros. series
MC Ballyhoo and Big Top appeared as a trophy in the Wii video game Super Smash Bros. Brawl. The Following is their trophy description:
"The two emcees of the Star Carnival, an event held once a year to determine the biggest superstar. Big Top (on top) and Ballyhoo (on bottom) provide all Star Carnival commentary, and while Ballyhoo is energetic and over the top, Big Top provides a reserved counterpoint to his partner's antics. Despite their conflicting personalities, they're inseparable."