The actors for the main trio in GTA 5 have urged fans to "campaign" for GTA 6 story DLC with even Steven Ogg wanting to return as Trevor.

but GTA 5 is packed with characters and references to previous games. Marnie and The Lost biker gang appear from GTA 4. Niko is mentioned by Lester as "some Eastern European guy." Then there's the ...

The Lost and the Damned protagonist Johnny Klebitz, who appeared not long after Trevor's own introduction in GTA 5 only to be killed off by him. "It would be fun if Trevor appeared in it just to ...