Chief Chilly likes to brag about his mustache, not different to other bosses with a mustache in his debut appearance, Super Mario 64 DS.
Super Mario Bros. 2010Edit
Chief Chilly appears in Super Mario Bros. 2010 as a boss of World 5, the ice world. To defeat him, Mario must use his fireballs (if he is Fire Mario) to hit Chief Chilly or just let Chief Chilly's fireballs bounce around the room until they hit him.
New Super Mario Bros.: Superstar AdventureEdit
Chief Chilly appears in New Super Mario Bros.: Superstar Adventure as the boss of World 4, the ice world. He fights Mario by running around the stage, trying to push him into the cold water. Mario must use his spin jump to knock Chief Chilly into the water one time.
Chief Chilly reappers in this game as the boss of Freezy Fire Tower, in World 5: Glacier Pass