All my cata-classic characters have 2 entries in the search functionality.
One entry has correct logs, the other doesn’t have any.
I never transfered servers or renamed any of them.
List of Characters (all on EU-Everlook):
Saftschaden
Aelilu
Parsinggodx
Slingersuss
Weakaura
Isylon
Iiquid
Ôò
Apfelloot
Dirne