Villainous Cuxy is a villain in flappy's young days
Villainous Cuxy, or simply Cuxy,is a villain in flappy's young days. He walks around leaving toxic slime everywhere he goes. He can fly, and when he flies he drops large amounts of slime everywhere. Whenever other animals eat the slime, they turn into were-birds.
He is the only character in flappy's young days with venom