Thorax

Thorax is a male changeling and supporting character who appears briefly at the end of the season six episode The Crystalling - Part 2 before making his prominent debut in The Times They Are A Changeling. In the season six finale, he becomes the new leader of the changelings following the defeat of Queen Chrysalis.

In When the Cold Breeze Blows Away, even though he has been framed for Silbervia Business Park massacre, he would be led the changelings to resist Gerasecia and Emperor Silbergeld's anschluss,which can find out about the behind of this massacre.