We as avid hardcore gamers, and fanatic RPG lovers have seen countless of parodies of Street fighter, mario and other games.
None is finer than Mark Leung's Final Fantasy Parody "College Saga". Its a long (around 45 minutes) parody in 4 episodes, you can see the first episode below. Click on the link to college saga to see the rest. His work is really brilliant.
Leung, I salute thee.