Monkey D. Luffy the creater of the team!!->

The team members and order they joined
Luffy-Roronoa Zoro-Nami-Sanji-Ussop-Nico Robin-Chopper-Franky-Humming Brook-Soge King ( Soge king was believed by Luffy an Chopper Soge king quit and reband with Luffy and his team(He is Ussop)