It's fine, you could always just use the old models for another game if you felt like it.
I've noticed that the Man is the closest thing you're series has to a main villain since he's the only character to return with his original personality remaining untouched, only ever changing up his strategy in an attempt to ensure a victory after his every failure to get what he wants.
It was nice to see these characters again and learn more about them. It's really weird seeing the Man's full body as I wasn't expect him to not have feet but it makes sense since they're out of sight in normal gameplay.
Regardless of what you do with these characters next and their role in a future game, I'll be excited to see what you have planned to make next. I hope you're enjoying the start of 2023 and I can't wait to see your future games later this year