You can use whatever characters you please. If you can't animate, that's okay. Just use some still pictures and make it look cool. If you can animate, please do! It'd be very cool of you. Tell me if you want a part. You can't take one without asking.
Studio: https://scratch.mit.edu/studios/1561482/ Parts: Part 1: Part 2: Part 3: MangleLuver25089 Part 4: miito Part 5: Part 6: Part 7: Part 8: Part 9: Part 10: Part 11: Part 12: Part 13: Part 14: Part 15: Part 17: Part 18: Part 19: Credits: @WhatsScratch
