While watching the anime _Izetta: The Last Witch_ (alt-universe WW2 with magic), I saw this -- a Dewoitine D.520 "Zwilling"-configuration:

Click image for larger version.  Name: d520double.jpg  Views: 26  Size: 102.5 KB  ID: 212602

and immediately thought of Our Resident Kitbasher Extraordinaire.... :)