Nah, Roger has more than that. Stop lying on that. There is Rayleigh, Gaban, Oden, Bullet, Shanks
So with Luffy, it will be Zoro, Sanji, Jimbei, Usopp, and Yamato. Though maybe on Jimbei and Usopp while no idea about Yamata at all.
Shanks probably did unlock it at young age without knowing. Look at Ace and Doffy when they start using COC.