joe hawley attacks if he says his name repeatedly (aka he moves), i don't know about ross, usually rob goes to the kitchen before attack or dining, unless it's his first attack, zubin loves to go to the alleyways (or meeting area) pre west hall, andrew is golden freddy
Ending 6 or Hopeless requires you to befriend the three individuals of Ethan, Edith, & Juan, mentioned in the comment made by Felix (the doggie is optional), and DO NOT ask about Hope Springs or you will get Ending 4 or Bare Minimum.
