Hero's Greninja

Greninja is one of the Pokemon Jax caught while he was traveling through the Kalos Region.

Personality
Similar to Jax and his Pichu, Greninja and Jax are very close to each other. Like Jax, one of Greninja's defining traits is his immense willpower, never giving up and putting his all into every battle. Greninja likes to battle for fun, Nevertheless, Greninja is extremely loyal to Jax and is willing to put itself in harms way to protect him.