This does not exist in Minecraft; it was written purely as a fiction article.Joy is a mythical creeper that has the power to control emotions!
Rumors and Legends
Joy was suspected to have been made up before miners came to the world. Based on the legends, Joy can fly, control emotions, take no damage from lava, and can create storms with her whiplike tail, and her wings are plated with gold, with diamonds in the middle. Her ears can detect sounds and movement light-years away and travels mostly in space. She is 5x bigger than a normal Creeper!