Google some Greek/French/Latin words and then add “-ians” , “-throns”, “-tians”, “-eons”, “-yllians” etc.If all this is too much work then you could just take a house name from Game Of Thrones. Desi-fy it a bit maybe. Examples from my college: Exorians, Xanthrons, Troezians, Excaliburs, Luminaries, Spartans, Mercenaries, Caballeros.