The 'Knuckles Sings' meme is a spin-off of the infamous 'Ugandan Knuckles' phenomenon, featuring a 3D-rendered version of the character performing various popular songs with exaggerated facial expressions. It gained massive traction on platforms like YouTube and TikTok, where creators sync the character's lip movements to everything from classic ballads to modern pop hits. The humor stems from the contrast between Knuckles' absurd, squat design and the soulful or intense nature of the music he portrays. It remains a staple of surreal internet humor, often used to express deep emotion or dramatic flair in a ridiculous, low-poly aesthetic.