Electro ball isn't really that amazing, considering he's got regular Thunderbolt for a projectile. Volt Tackle was more interesting and a good finishing move.
I am the current leader of Save Our Voice Actors, a Pokemon fan group supporting the voice actors in the anime dubbed by 4Kids (seasons 1-8). Our goal is to provide The Pokemon Company international with encouraging feedback in support of returning the main cast members. If you're interested, please visit us at facebook.com/saveourvoiceactors