Pokemon Moonstone
Hack of FireRed
One day, your father leaves a letter, saying he was kidnapped by Team Rocket, and tells him to go to Blaine, who lives next door. Blaine gives you Larvitar, but it runs away, you successfully capture it back.
Meanwhile Team Rocket's leader, Lance.(The G man xD) prepares to invade all cities,
to gain a rainbow wing, and silver wing, but also needs a larvitar(yours).