- Ratbag the Uruk craves power without knowing what he would do with it. He cannot heft a heavy weapon over his head, but he will, stupidly perhaps, attempt to claw his way to the top of Sauron's Army by aligning with his people's great enemy, the Gravewalker.
He has deluded himself into believing the Ranger will help him become a Warchief and, once he has power, he will be able to keep all he has achieved. His many scars bear witness to his ineptitude and history of failure. He is a craven little thing whose only chance of success is in spite of himself.
Talion first meets Ratbag when he finds him tied to a pole by his superior, Goroth. Ratbag makes a deal with Talion that if he helps him rise to the top of the Uruk Hierarchy, he will draw out Black Hand of Sauron. When Talion helps him to eventually become Warchief, Ratbag swears that nobody under his watch will stop Talion though he cannot do anything about the other Warchiefs, whom Talion will have to kill.
Ratbag faces an execution from his superior, Brogg the twin and a warchief's bodyguard. Before this could be done, Talion intervened and killed Brogg, saving Ratbag and causing him to become the warchief's new bodyguard. However, he showed the Warchief Mogg, who is revealed to be Brogg's twin, he has Ratbag, hung up and prepared for execution. An annoyed Talion saved him again and killed Mogg, finally making Ratbag warchief.
After the rest of the Warchiefs are killed by Talion and the monument for Sauron is destroyed by Talion, the Hammer of Sauron arrives to question where the Warchiefs were at while this was happening. A group of Uruks shove Ratbag to the front, who explains that the rest of the Warchiefs have perished in battle. Unimpressed, the Hammer promptly executes Ratbag for not answering his duties to kill the ranger by swinging his mace and killing him instantly.
Later in Shadow of War, Ratbag is revealed to be alive and working with an Olog, who he somehow saved and later named him "Ranger". Working together, the pair moved up the Orc hierarchy in Nurnen to the position of overlord, while forging a legend of a two-headed troll to keep their soldiers in line. After Bruz the Chopper attempts to betray the Bright Lord and captures ''Ranger'', Ratbag helps Talion in several missions to stop Bruz. After Bruz is defeated and shamed worse than death, Ratbag and ''Ranger'' leave horrified by how much mental torture their enemy endured at the hands of the Bright Lord. This is the last time Ratbag is seen and his current fate is unknown.
- Ratbag was first shown in a gameplay video where Talion had to dominate him in order to kill a Warchief. His full title, then, was "Ratbag the Meat Hoarder".
- Ratbag might be one of the very few, or perhaps the only Uruk who willingly helps the main protagonist.
- If there is no Nemesis all the way up to The Lord Of Mordor quest, Ratbag will be the one standing where your Nemesis would be. He will be voiced by Dwight Schultz instead of Phil LaMarr.