If this Pokémon senses a strong emotion, it will run away as fast as it can. It prefers areas without people. (Hatenna)
Without a Dreepy to place on its head and care for, it gets so uneasy it’ll try to substitute any Pokémon it finds for the missing Dreepy. (Drakloak)
It stores poison in an internal poison sac and secretes that poison through its skin. If you touch this Pokémon, a tingling sensation follows. (Toxel)