It's a great month for free Pokémon!
http://www.nintendoworldreport.com/news/38206/heracross-pinsir-distribution-events-detailed-for-north-america
Pinsir and Heracross, powerful bug type Pokémon, will be distributed via the Internet, with their Mega Stones being available at Gamestop later this month.
On August 13, players can receive their Pokémon via the Mystery Gift option in Pokémon X and Y. Those who have Pokémon X will receive Heracross, while Pokémon Y players will receive Pinsir. Starting August 18 through August 30, those who go to Gamestop can see a serial code on flyers that will allow them to download their Pokémon's respective Heracronite or Pinsirite Mega Stone..
Both Pokémon will be at level 50 with the Adamant nature. Heracross will know Bullet Seed, Pin Missile, Close Combat, and Megahorn, while Pinsir will have the moves X-Scissor, Earthquake, Stone Edge, and Return.