There are however ways to get rid of him, but I won't ruin it, anyways the maps good and has tons of new secret things for everyone to discover. (articles.gamerheadquarters.com)
There quite a few secret things to find hidden within this open world as well, such as cheat codes and hidden character skins. (operationrainfall.com)
Here you will find the numerous hidden areas, meat locations and secret things scattered throughout the game. (slateman.net)