E107
From KSI Wiki
e107 was the original account for the KSI Global website that was considered an admin profile.
History
This account was used to post news articles and other important information on the original KSI Global website.
Notes
"JT used to own / build / create all e107 stuff" - Linden
"at that time, he just named his account 'e107'" - Linden
"Just like now he uses "root" everywhere" - Linden