The Good rowdyruff boys (known as GRRB as short) are from sao paulo helping the city. they was created by some else named "igor luan" 

The red  spiked hair boy's name is Blazer

The Boy with brown hair and a eye scouter's name is blast igor

and the boy with black hair and silmar hair of brick is blong

they are GRRB!

they dslike RRB. and like The PPG!