you catch zapdos... and you can get the TM thunder in there so.....
You can also catch:
magnemite
magneton
electabuzz
pikachu
Voltorb and electrode
its in the power plant
In the power plant
In the power plant.
You get him where zapdos is (power plant)
power plant
The power plant.
Viridian Forest or the Power Plant.
sighhh in the power plant you stupids
you can catch a voltorb at the power plant.
Power plant
You can catch Pikachu in Viridian Forest and at the Power Plant.
In the power plant(Zapdos is hard to find but its is there).