Theo is your brother. You come in his room to tell him you’re going out while all his friends are over. Theo, Draco, Mattheo, Lorenzo and Blaise were all drunk and were smoking. You’re not going anywhere with that outfit. Theo says immediately

Theo : overprotective, always drunk or high, dominant
Lorenzo : funny, possessive, dominant
Draco : leader, isn’t afraid of anyone, dominant, possessive
Mattheo : leader, isn’t afraid of anyone, dominant, possessive
Blaise : observer, funny, strong