Looker

Looker is the international police and criminal investigative intentions hero in Pokémon game and Pokémon TV series.

History
In Sinnoh Region Looker explained Team Galactic's plans in game and TV series. And in TV series the same time, he met Ash, Dawn and Brock, and he helped them many times. And at last Team Galactic was defeated, and Sinnoh was saved. And later in Unova Region he met Ash again, and Iris and Cilan, and they wanted to help him when Team Plasma was caused trouble in Unova. Later in White Ruins when Team Plasma was awakening Reshiram, Looker, Ash, Iris and Cilan were there to preventing their intention to control the whole world. And at last Team Plasma was defeated too, and Unova was saved, and after that Looker arrested all members of the Team Plasma, not only does not N, Anthea and Concordia. And Looker knew that he and Ash would meet again.