2011sonic is the supposed father of all EXE's, including those who do not class as EXEs, like Pendrive. Pendrive was the earliest recorded example of 2011sonic manifesting itself. Over the years, 2011sonic appearance would appear change depending on what the year they are in deems as "scary". 2011sonic created the dark matter used for EXEs and is the reason they exist everywhere But overall, he is sadistic, evil, and a narcissist.