BUR #61282 has been approved by @evazion.
create alias iki_(iyowa) -> 1000-nen-chan
create alias sen'nen-chan -> 1000-nen-chan
Iki's name has been confirmed to be Sen'nen-chan (or 1000-nen-chan) via CHUNITHM collab. Further name aliases will be posted in this thread in case they're confirmed in the future.