Im_back123 is a RuneScape hacker. He is known for hacking many famous and rich RuneScape players. He does not have a public RuneScape account in fear of getting IP'd by Jagex. Jagex also made public that they had a IP tracing system that would bypass any proxy regardless of how many relays there were, even though that isn't actually possible and he got banned.
The Old Nite
On 2010, Im_back123 hacked the famous RuneScape Classic player Ladykilljoy.[ ]