Edward's Greninja

Edward's Greninja is the first Pokémon that Edward obtained from the Kalos Region.

Prior to Kanto: The Next Path
Froakie is one of the three starter Pokemon that new trainers have to pick. It was reveal that Greninja hatched from the egg and raised in Professor Sycamore's lab. Edward came to Kalos region along with Pikachu and Froakie picked Edward to be his trainer. Froakie evolved into Frogadier and Greninja prior to Kanto: The Next Path.

Personality
Greninja is very loyal to Edward and will listen to his every command. He will protected anybody that they are danger.

During the Lumiose Conference, it is soon revealed by Professor Sycamore that the transformation Greninja had been going through is known as Bond Phenomenon.

Trivia

 * Greninja is Edward's first Pokémon to be owned by more than one Trainer before him.
 * Greninja is Edward's first starter Pokémon to have been revealed to have hatched from an Egg.