Let's see who I know:
- The red devil guy is the final boss of the virtual boy Wario Land
- Swanky Kong from Donkey Kong country 3
- The rainbow mouth ball from Yoshi's Story
- The old Nintendo Power mascot guy
- The walrus might be a boss from Donkey Kong Tropical Freeze, but I'm not sure
- The options menu toad from Mario Party
- The capsule machine from Mario Party 5