This is a really rare character and it is a srw character to. I cant find Coustwell Brachium for MUGEN but here is the dead link
http://muvluv-alternative.game-server.cc/cgi-bin/mugen-up/upload.html the file ID used to be up0644
but whoever has this character the filename is C_Brachium, but if somebody has this character please reupload it please to mediafire, onedrive or 4shared and sendspace