Looker (Adventures)

Looker is a character appearing in the Pokémon Adventures.

Diamond and Pearl Chapter
He is once mentioned by Byron when he stated the word "Interpool" making that Looker is a high ranking police officer unlike any other.

Platinum Chapter
In the Platinum Chapter, he is to help Platina to get more info about Distortion World.

Black and White Chapter
As said in the Platinum chapter, he goes to Unova to investigate Team Plasma and also appears disguised in the Pokémon League.

Trivia
He has his own gadgets in the manga.