Gavin

 is a character mentioned in Red Dead Redemption II.

Background
At some point, he came to America from England with his friend Nigel.

Interactions
During the game, the player can come across an Englishman named Nigel. He informs the player on how he woke up one day to find Gavin had disappeared.

He can be seen wandering around the map, calling out to Gavin.