Previously I proposed the aliases for these two when they were the only playable luminary knights and were generally referred to by their colors, often abbreviated to BK and GK . Not all the names of the 7 knights were known at the time so i thought it was best to standardize their tags to their knight colors for the time being.
But in recent years their actual names have become more commonplace, with unit releases featuring Ceasar , and Alliah wind vers. which use the characters real names instead of their knight name.
The recent anniversary story event "PS, the Astrals..." further developed this by revealing the other knight names we were missing (purple and green), along with releasing Appollonia summer vers. and Octavia .
A rename instead of a reverse alias would be more appropriate with how the colors are used as titles.
One of the plot points for the event is the ceremony of Walfrid (blue knight) passing on his title and duty to his daughter Lecia. So blue knight could ambiguously refer to different people, so a rename would better future proof the tags should something similar happen for the other luminary knights.
The other knights mostly have single digit posts that can be manually changed after.
