My username came from my first (second) Minecraft Bedrock Edition account. The game has generated me the name DayCapybara794. I would use this name on most platforms, mostly as DayCap794 or just DayCap. Later on I renamed myself into DayPixel, thinking it associated with games a little more. My username in Minecraft is currently DayPixel794, but you might see me as Pixelly794, or just Pixelly. There are still platforms where different nicknames of me remain as it was impossible to change them, but that just makes my accounts more iconic.

An entire full armor category would be a good thing, being able to sort as "Full leather" or "Full Diamond". However, there already are two categories which are connected to getting a full set of armor: Full Iron + 15 levels, Cover Me In Debris. At this point the moderators could just combine them according to your suggestion

What if you could just rename an item into the English alphabet through an anvil? Would this even count?

Speaking of rare letters such as X, Y, Z, Q, there are such items as Bucket of Axolotl, Red Dye, Podzol and Quick Charge enchantment books