Is "Dikke Peter" a traveller as well?
I always assumed he was just a local Limburg guy who made it big in the underworld. Nevertheless, the guy really isn't one to be crossed.

Even though "kampers" play a very prominent role, traditional OC in the Netherlands isn't really limited to them. There's lots of Dutch from the settled community involved in organized crime as well. I'd wager to say that next to the UK (England and Scotland) and Ireland, the Netherlands is one of the rare northwestern European countries that breeds a ton of indigenous outfits that are involved in the underworld on a large international scale.