The angriest person in existence would be filled with rage, constantly lashing out at everything and everyone. They may have a short temper, becoming easily provoked and explosive. They may be prone to outbursts and violent behavior, intimidating those around them. Their personality may be characterized by cynicism, bitterness, and a lack of empathy. They may have difficulty controlling their emotions and struggle to maintain healthy relationships. They may also be prone to holding grudges.