The acronyms can also be used in a gender-specific form, such as OFC (original female character) or OMC (original male character). However, the exact origin of OC as "original character" on the internet is almost impossible to trace. On Urban Dictionary, the earliest definition for OC as "original character" was added to the site on August 3rd, 2008, by user Madoka, who defined it as:Stands for "original character." Various ExamplesRelated MemesSonic Original CharactersSonic Original Characters (Sonic OCs) are fan-made characters from the Sonic the Hedgehog universe. Thunder Thighs OCThunder Thighs OC refers to an original character (OC) drawn by an unknown X / Twitter user and subsequently referenced by @chonzodraws.