resolved

Current: Gracey
DNT: Spartacus.
IP Audit: IPAudit results for | Sell & Trade Game Items | OSRS Gold | ELO

Audit matches
Both use home IP once, camp proxies after
Similiar interests
Same thread layouts (just one thread layout image)
Both used Bert as donation processor
Gracey became active after Spartacus got DNT'ed

 

There is not enough here to say for certain that they are the same person.