Wall switch

Wall Switches are a type of switches found in the game Donkey Kong 64, the switches that can be activated by Diddy Kong's Chimpy Charge or Chunky Kong's Primate Punch. These switches have numerous different functions, such as opening doors, activating platforms, releasing a Golden Banana, etc. and can be found in all the levels of Donkey Kong 64. There are several types of these switches.

Diddy/Chunky Switchse
Two Switch are found in the game, one with Chunky Kong's face, the other one with Diddy Kong's face.
 * The Diddy Switch can be found in Angry Aztec in the room where he has to rescue Tiny Kong, activating it will raise some platforms to help Diddy Chimpy Charge the K-O-N-G Switches.
 * The Chunky Switch can be found in Frantic Factory, and once activated, the player will have a limited time where some platforms will raise and lower which will make a way to a Golden Banana.

K-O-N-G Switches
They are found in a temple in Angry Aztec, in the room where Diddy rescue Tiny, Diddy will need first to chimpy charge the Diddy Switch in the room, to make some platforms raise. So he can reach the Switches. Once Diddy activates all the switches in order. Tiny is freed, and Diddy is rewarded with a Golden Banana.

1-2-3-4 Switches
Several Number Switches can be found in the game. Only Diddy Kong can access their room, thus activating them.
 * A group can be found in a R & D room of Frantic Factory, they can be activated in 3 sets of combinations, each opens a door with some enemies inside. Once all enemies in the room are defeated, a Golden Banana is released.
 * Another group can be found in Creepy Castle, If the player activated them in order (1, 2, 3, then 4), The coffin will release a Golden banana. However if he activated them out of order, two doors will open freeing some enemies, one of the two doors have a Banana Balloon, which is necessary to complete the game 100%.

Gongs
Several gongs can be found in the game. Only Diddy can activate them by Chimpy Charging.
 * Two can be found in Angry Aztec's lobby in DK Isle, activating them will raise a Bonus Barrel, only Tiny Kong can reach it though.
 * Another four gongs can be found in Angry Aztec, activating them will raise a tower, on the top of the tower is a Golden Banana for Diddy. Also Squawks can help Mini Tiny reach the top of the tower to enter it and race a beetle to win another Golden Banana.

Shields
Three of them can be found in the museum of Creepy Castle. Activating all of them, will open a skull with a rock inside, which is necessary to get the Golden Banana. Only Chunky can activate them.