Mongols The Mongols, also known as Mongol Nation or Mongol Brotherhood, were formed in 1969 in Montebello, California from Hispanic bikers who were refused entry into The Hell’s Angels MC due to their race. Their colors are black and white and their insignia bears the name Mongols in large black letters above a pony-tail sporting man riding a motorcycle wearing a leather vest and sunglasses while carrying a scimitar or cutlass..