How to make characters use several different dialog boxes in Ren'Py?
Viewing post in Eeveelution Memes & RPG Dialogue DEMO comments
I'm not a Ren'Py expert, so I'd recommend going on LemmaSoft for these questions. If you're looking at dialogue boxes per character, this thread may help: https://lemmasoft.renai.us/forums/viewtopic.php?t=42205#p441365
That being said, what are you planning to make?