Forum:What are these stars under p1, p2, p3 or p4 box at the character selection in vs mode (Group)

What are these stars in the bottom of the select box? I mean, there is all the characters and when you choose one, it appears in the p1 p2 p3 p4 box, the box where you can change names and colors.if you look down this box, when you have brawled once or more you can see:sample:[star]x14. thank you.