Every engineering organization is an evolving social experiment, where a diverse blend of personalities emerges with a certain predictability. These are archetypes that arise from the conditions that modern engineering organizations create. You might recognize every character described here, either because you have suffered them or maybe because you’re one of them. Understanding why so many engineering organizations struggle to produce actual work requires unpacking their social scene, their balance between the population of these personalities, and how these personalities have become essential in making engineering every day a little bit easier or more difficult.