|“||I'm General Mayhem, Intergalactic Naval Commander of the Systar System.||”|
At first it looks like Sweet Mayhem is a typical "mook" character. She is stoic and serious about her job, to the point where she is willing to kidnap the main characters to achieve her goals. However, it's later revealed that Sweet Mayhem just wanted to make peace with the citizens of Apocalypsburg, just like the rest of The Systar System. She is actually a fairly kind-hearted and timid person. Like Queen Watevera, General Mayhem first comes off suspicious to the citizens of Apocalypseburg.
- "So...you kicked butt and Master Built...and the hapless male was the leader?" - to Lucy when she enters the Lego encampment
- Her masked voice is strikingly similar to Gwendolin Christie, who voiced Captain Phasma in Star Wars Episode VII: The Force Awakens and Star Wars Episode VIII: The Last Jedi.
- Voiced by Stephanie Beatriz, who coincidentally has a scar on her face from tripping on a LEGO brick when she was 10 years old.
- Her mask is capable of scanning many people's facial expressions and creating a diagnosis on their feelings. She demonstrates this on Emmet, Lucy, and Batman.
- Her uniform looks similar to the Royal Guards' armor.
- She has Heterochromia shown by one of her eyes being pink and the other being blue.