Here's three examples of Retsupurae for those who don't know who they are (WARNING Foul language is used frequently)
http://www.youtube.com/watch?v=m5TW2PfwxMQ What the? (Censored)
http://www.youtube.com/watch?v=nNMudMlmdOE Let's Freak Out!
http://www.youtube.com/watch?v=GzDFCOjr734 Metroid Machinima Makes Me Maddeningly Miserable