Shrek was a heroic Ogre from the Shrek Multiverse, known for his heroic deeds and astounding bravery, as well as being behind the downfall of of various empires and dynasties, bringing ends to reigns of Lord Farquaad, Prince Charming, The Fairy Godmother, and Rumpelstiltskin.
- One variant of Shrek went insane, becoming a homicidal murderer, killing Donkey, burning his house down, and leaving onions in his swamp for people to find, so that he could track and murder them. This variant of Shrek was the one that most commonly had the Punishment Barrel.
- The Shrek that started the Shrek Is Love, Shrek Is Life Cult was an incredibly bizarre and malicious variant, known for his incredible strength, even when compared to other variants, flight powers, and for his love for sodomy on young Human males. He had a nemesis in Drek.
- One variant of Shrek joined the United Federation of Planets, while also running into issues with Spock.