A monster that is "humble" boasting about the terrible artwork he produces along with the salty chips that come out of his persona. He loves to salty the people around him and spreads his contagious negativity to everyone.
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.