He reluctantly helps the turtles take down the Tengu Shredder .
Greg Carey as Hun , a hulking gangster who and the leader of the Purple Dragons , who tries to increase their reputation after the Utrom Shredder 's defeat .
Hun reluctantly helps the turtles take down the Utrom Shredder   .
Greg Carey as Hun , a hulking gangster who and the leader of the Purple Dragons , who tries to increase their reputation after the Utrom Shredder 's defeat .