BUR #16280 has been approved by @nonamethanks.
create alias lala_(g_(genesis1556)) -> rara_(g_(genesis1556))
As shown in post #6221829, her name is revealed to be spelled as "Rara". The former tag was created around 2014, long before I joined Danbooru.
I don't know if other characters' proper spellings were known though, if only he put a character sheet of his OCs somewhere...