1. Pikachu
Well, well, well. Pikachu made number one because of the anime. Being Ash's starter kind of gave this guy a huge fan base.
2. Jolteon
Eeveelution, yep another made it, but what do you expect Jolteon is a beast.
3. Ampharos
This Pokemon is very helpful and helped me in my SoulSilver playthrough.
4. Electivire
Electivire is kind of pretty awesome. I used Electivire in my elekid and friends deck, tournament deck. In the game Electivire is a great clean up.
5. Magnezone
Magnezone is the evolved form of magneton. Magnezone is a very good special attacker, give him thunder and you are ready to go.