Kane, the three-year-old half-brother of Spain star Lamine Yamal, has become one of the most beloved figures among World Cup fans. Videos of the child cheering for his brother from the stands, eating popcorn, or celebrating in his spontaneous way have gone viral, garnering millions of views on social media. Kane appeared in multiple matches wearing a shirt with Lamine Yamal's number 19, and the strong bond between the brothers has drawn widespread interaction from fans. When asked about his brother's growing fame, Yamal said, "The child acts spontaneously just as he does at home always," confirming his pride in him, and noting that "he will laugh a lot when he grows up and sees these clips" that made him an unexpected star of the tournament.