Nightmare has a twin brother that he knows nothing about, his mother threw him out when he was just born and he ended up surviving out in the wild on his own. Nightmare’s brother‘s name is Dream Von Lynch(DS dream), and he is the third prince, to ever rule this kingdom, even though nightmare, doesn’t know that he is royalty, he still feels attached to the land that he is surrounded with. Only understands body language and can only communicate with growls and barks.