Carnelious appears to be a bounty hunter. He can be found in various locations such as Armadillo, Rathskeller Fork, Chuparosa, Casa Madrugada, and Blackwater. He appears to know John Marston from somewhere as he often makes statements suggesting as much. He also seems to have an affinity for poetry, often mentioning it between rounds of poker, during fist fights, and before a duel.
In Undead Nightmare, Carnelious can be found defending the settlement of Rathskeller Fork where he is on the roof of one of the buildings. If Rathskeller Fork is saved and Carnelious survives, he will stand around the firepit with Ira Shelton.
His surname suggests that he is of German or Austrian descent.
He is one of the rare characters that wear a bandana type necktie.
He vaguely resembles Clint Eastwood's famed character ; The Man With No Name.
In the High Stakes Poker room, Carnelious is seen playing a lot of the time, and he usually shouts lines like, "Reminds me of a poem I wrote after killin' a man," despite the fact that he is in a room filled with law abiding citizens and usually two policemen.
However, considering how he may also be a bounty hunter, Wolfe may be talking about killing a wanted man or otherwise criminal.
In a pre-release image of Red Dead Redemption, it is revealed that Wolfe originally wore an outfit that closely resembled the Rancher Outfit.