BUR #3255 has been approved by @Hillside_Moose.
create alias ranobigi0820 -> panprika
create alias koi_(carfet) -> siguya
create alias user_fkra4825 -> ww1w1
create alias user_cccp2784 -> qiujiao
create alias koakoa915 -> koakoa
create alias us4g1desu -> usagi_(us4g1desu)
create alias free_pgmmc -> ziyoubianchengji
The first one: stacc name; their profile name is パンプリカ (edit: according to nonamethanks, the romanization is suggested to be "panprika", based on their Twitter username).
The second one: presumably an outdated name; their current Pixiv profile name is Siguya.
The third one: stacc name; profile name is already in English letters and numbers.
The fourth one: stacc name; their profile name is 篍艽.
The fifth one: Twitter handle; their profile name is こあこあ.
EDIT: The bulk update request #3255 (forum #171231) has been approved by @Hillside_Moose.
Updated by DanbooruBot