The 'It Works on My Machine' Bug: Your machine is my vacation home. I only act up when there are real consequences.The Heisenbug: I’m not a bug. I’m a feature… that only appears when no one’s watching.The Typo That Broke Everything: One small typo for you. One giant embarrassment for your code review.The One That Works Only on Fridays: The code runs fine on Fridays because it can feel the weekend.