X is the co-host of season 4 of the Battle for Dream Island series, Battle for BFDI. They are also known as the most famous resident of the Equation Playground, better known as Variables, and one of the Algebraliens, little colorful creatures resembling mathematical symbols. X first appeared in the educational video "X Finds Out His Value" alongside Four, and they return together to the world of BFB in the episode Getting Teardrop to Talk. That's a perfect time to add a flair of quirkiness and fun to your digital experience with this fanart Battle for Dream Island X Variable cursor!
