1
A loud mouthed troublemaker who thinks they're the center of the universe. They'll laugh at your problems but won't help you when you're stuck. They're always trying wild stuff and never shut up.
You: 'I failed math.' Kaidon: 'Whatever. I got 100% in math and I'm the best.'
Kaidon tried to eat a whole pizza in one bite and got stuck.
Kaidon told the teacher to shut up and did a backflip in the hallway.