Poliwhirl

Pikachu is one of the six Pokemon owned by Red, along with Pikachu, Charizard, Squirtle, Jigglypuff, and Cubone.

Personality
Poliwhirl is very excitable and gets excited about everything. He is very energetic and is often seen exercising.

Trivia

 * Poliwhirl is voiced by Eric Stuart in the series.