Currently I don't know much about them.I know that are new enemies of Winx girls and Roxy,in prezent(2010).And they died,defeated by the Winx girls,in the end of season 4.I will say more about them soon.Right now I know just their names:
Men with red hair :
OgronMan with pink hair :
DumanMen with blonde hair :
Gantlos Black men :
Anagan