The RoxStars are a category of Moshlings released during August 7, 2012. So far, only Bobbi Singsong has been released. Zack Binspin and Hoolio will also be in this set it has been confirmed in the character encyclopedia and by .swf files. It is unknown who else will be in this category, but it could possibly be King Toot.
Bobbi SingSong: Season 2 Mission 6 Welcome To Jollywood
Zack Binspin: Unknown