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B. Locker is a grouchy signpost that appears in Donkey Kong 64. His name is a pun on "blocker", and as B. Locker's name suggests, he prevents the Kongs from entering portals to each level, unless they have enough Golden Bananas. B. Locker resembles a wooden signpost, and has a pair of eyes and three number panels on his chest.
Each level has a minimum Golden Banana requirement, which is indicated from the number panels on B. Locker's chest. By meeting the requirement, the Kongs can approach B. Locker, who then permanently leaves from the level's lobby, allowing them to enter the level. The minimum requirements include: