Use Arrange Key item
Items
When you want a Chocobo...
Tiffa
LV 70
MP 497/793
Cloud
LV 2
MP 59/793
Barret
LV 56
HP 5000/9999
MP 300/793
Add 50 Hp to Tiffa
Add 100 Hp to Tiffa
Add 50 Hp to Cloud