You can just make a single mesh-wig and animate that. Look at Overwatch characters' hair, i think that style would look good on what you are making. I want to adopt the dog as well!
@Larry: That's a good point. I really want to try and work with hair cards first (since it'll be a new technique for me to figure out), but things might not match up in terms of style. If that happens I'll definitely go back and work with the high poly shell to create more of a wig with the geo. Thank you for the…
Had to take some time to recharge but I'm back with some updates. After a lot of messing around with that hair, I ended up doing a mix of a wig and some free strands to get it looking more like the concept. I guess hair cards weren't... in the cards... this time? Anyway I've thrown him into Substance Painter and started…