TF2 Personality SetupThere are 4 basic traits, and each character except for Pyro is either the apex or antapex. Apex characters are more outgoing, friendly, assertive and hard working, and are associated with BLU. Antapex characters are considered loners, thinkers, quiet and more relaxed, and are associated with RED.More Like This
Trait 1 (Fire) Assertive
Trait 2 (Water) Sociability
Trait 3 (Earth) Work Ethic
Trait 4 (Air) Speed
Characters that are considered "Offensive" classes usually are more aggressive, independent and assertive. They can get themselves in fights but are the ones who can pull themselves out of one successfully.
Characters that are considered "Defensive" classes are usually more to themselves, and hate getting into arguments. They like working quietly and usually prefer being followers.
Characters that are considered "Support" classes are usually more eloquent and can be quite critical.