Matoran alphabet—from Lego's Bionicle series NO WAY. I- I dreamed this alphabet! I had a dream once in which my latin teacher was teaching this language instead! I had no idea this actually existed back then!
Hobo Symbols: Dating back to the Depression, when many people were homeless and on the move, this code of signs were used be Hobos to communicate good spots to stay & places to avoid. "Here is the place!