Although the following moves are affected by the Ability, they currently cannot be learned by any Pokémon with Sharpness. They may, however, be called via Metronome, Copycat, or Mimic, or be used by a Pokémon that gained Sharpness by an Ability like Trace or Receiver or a move such as Skill Swap or Role Play.
Population Bomb's name in Japanese is ネズミざん Nezumizan, which can be read as both ねずみ算nezumizan (to multiply like mice; literally "mouse mathematics", a common arithmetic problem) and ねずみ斬 nezumizan (mouse cut).