From Assembly to C to C++ to Java to Python to Ruby to Android, From Observer Patten to MVC to Factory Model to OCP to LSP to ADP to SAP to RREP. And from Turing Automaton to Dijkstra to Prim Jarnik to A* Algorithms. The Sum of the Combinatorial of each defines the personality and the characteristic of mine. That's who I am. Welcome to Guster's Wonderland, I'm Guster