Drowzee

Not popular with girls because of its attitude. Can often be heard muttering to itself in a low voice.

Pokemon Power — Long-Distance Hypnosis: Once during your turn (before your attack), you may flip a coin. If heads, the Defending Pokémon is now Asleep; if tails, your Active Pokémon is now Asleep. The power can't be used if Drowzee is affected by a Special Condition.

Nightmare (10): The Defending Pokémon is now Asleep.