He was

Listen to his voice then trevors

Ogg himself confirmed that he didn’t voice that guy. Check out the wiki page of the “Old Habits” mission.

Doesn't say anything about that

Ned Luke did voice a character, later confirmed to be cut from the game, a NPC exists in-game with a very similar looking features to him, somewhere in Bayou Nwa.

He did the character's model, not the voice.

Aa it was that way around, good to know, thanks! 👍🏻

I think GTA shares the same universe with Manhunt and Bully, the 3D Universe while the RDR series is set in a separate universe from the HD universe of GTA 4 and 5

Billy was such a great game...

I loved the reference 'Canis Canem Edit' on Calloway's Revolver, subtle yet effective.