Gabriel/Gabariel
A person who brags about everything and thinks they're the best at everything, even when they're not.
Gabriell: 'I'm the best at everything. I got a C on my test.'
Gabriell: 'I'm gonna be the next big thing. I have 5 followers.'
Gabriell: 'I'm gonna beat you in a contest. I don't even know what the contest is.'