SHODAN (Sentient Hyper-Optimized Data Access Network) is a corrupt AI and the main antagonist of System Shock and System Shock 2.
Shodan is an Onu-Matoran turned into a Shadow Matoran by the Shadow Makuta Brotherhood.
Shodan is "an Internet search engine that sought to identify devices that are linked to the Internet."
Shodan, although rarely seen by the general public, bears one of the most famous and widely-recognized names on Y!PP. His contribution of Sho Girls, the notorious inn on Admiral Island that bears his insignia, has served both the Sage and Emerald oceans as a main trading hub for more than half a decade.