Cracked by Vidyuth,Sticky,2D,Praveen, Shiva.
2) Richard Stallman A.k.a GOD of Free and Open Source.
Cracked by 2D, Sticky,Vidyuth and Shiva.
3) The GNU logo. GNU -GNU's Not Unix. Its a recursive acronym.
Cracked by 2D,Sticky,Vidyuth
Other fundae being Stallman started the GNU project. and wrote the first copyleft licence called the GNU General Public Licence.