Who is this guy?

Hint: His followers invariably hate the guy below and get into bitter flame wars on the internet saying the guy above is better(recent research has evidance to prove otherwise)

Update: Fixed image. Thanks to duriel.

Cracked by almost everyone.

Dibyo, Rohan, Martin, p vs np, Gurupad, Ps, calvin, Debasish, shenoyvarun86, Goyal, akhi, Kal, duriel, username, Raghuvansh, Jean Valjean, Mo, Prasad, AmK, shrik, priyananda, Miraj C. Vora, malcaluffin, Aparna, nisha’s thambi, Siddharth Jain, Ananth, Atul Mathew, karthik, nishansolo and kiran