Is "Pen Tool" creates a best result in graphic design?

yes it always creates a best result , specially for the designers who create character or creatures (imagination one)... 

Well the pen tool is one of the tools that can generate good results depending on what you need but there are many other tools that could always come in handy as well. 

Yes, Pen tool Give one of best result in Photoshop. it is depend on the user skill how he or she use it....

depends on user