Koffing - a Poison Gas Pokémon. Its body is cloud-shaped with a skull and crossbones on the lower parts of its body. It has openings that allow gases to escape. A Koffing will spew a harmless gas if its happy, and a poisonous gas if it's angry.
Exeggcute - 102 - Its six eggs converse using telepathy. They can quickly gather if they become sparated. Even though it appears to be eggs of some sort, it was discovered to be a life-form more like plant seeds.