multiple model packs at the same time (help) (HELP IS NOT NEEDED, YOU CAN ANSWER BUT I ALLOW FOR MODS TO DELETE IT)

[Sonic FanSRB2]

so, I wanna use different model packs at the same time for DIFFERENT characters, I need to install 2 model packs at the same time for different modded characters so I can have more models for modded characters.if you understand what I said, then you can answer my question, if not, then uhh its ok!
(edit: I realised that I do not really need help with it but you can answer, so mods can delete this post)