Baffle's Code Room
From the Super Mario Wiki
Baffle's Code Room is the headquarters of Baffle in Donkey Kong Country 3: Dixie Kong's Double Trouble!. It is located along the west side of KAOS Kore.
When Dixie Kong and Kiddy Kong visit Baffle's Code Room, Baffle will explain to them that he is having trouble figuring out a code he's gotten a hold of. In order for Baffle to decipher the code, the Kongs must bring him the Mirror. With it, Baffle will be able to read the code, which, if followed, will lead the Kongs to Sewer Stockpile.