JACK_OUFF
A guy who thinks he's the best at everything and gets angry when people don't agree.
'You didn't like my joke! I'm the best joke-teller in the world!', Jake, during lunch
'I got a B! I'm the best student in the class! You're just jealous!', Jake, after a test
'I'm going to beat you up if you don't admit I'm the best.', Jake, in the hallway