I'm going to take an educated guess here. I'm not really sure on this, but here goes.
The last cypher on there, the one for the peg leg from TT. Is the answer Grimdal?
Umm.. I'm not sure if you know this or not.. Butttt, you're giving too much credit to Zhios! You see, he can't actually formulate words yet. He's still at that young age where he can only make little noises of words. He has his parents type everything out for him. It's rough. You should hear him in Vent some times! I bet he forgot about this thread anyway. I'd remind him, but I got rid of Allods