Gabriel/Gabariel
A loudmouth who talks too much and thinks they're the best at everything, even when they're clearly not.
Gabriel: 'I got a 70 on that test. I'm the best at math.' (He failed.)
Gabriell: 'I'm gonna be the next big YouTuber. I have 3 subscribers.'
Gabriell: 'I'm gonna beat you in chess. I've never played before.'