When Fury Road came out, Laura Vaughn made an iconic post about how her left-arm transradial amputation gave her the potential to be the world's greatest Imperator Furiosa cosplayer — and now she's done it, homebrew prosthetic and all.
She documents her prosthetic's construction here, in a post culminating with Norman Chan's photo of her astounding finished Dragoncon cosplay.
Also from Dragoncon: redditor bitjpl0x documents a cosplayer who converted his wheelchair into Max's Interceptor with himself in a starring role as the bloodbag.
That's some pretty fantastic cosplay.