Thought Christopher Lee releasing a metal album was unlikely? Here’s a frontman who gives new meaning to the term ‘cock rock’ [You’re fired – Bad Pun Ed].

http://www.youtube.com/watch?v=KBFLyyrhxXU

Also in the metal mash-up category, here’s Spongebob Squarepants doing his best ‘death grunt’:

And here’s Sesame Street‘s Bert and Ernie going brutal:

Speaking of which, Cookie Monster has been known to indulge his heavy side:

As have various other Muppets:

http://www.youtube.com/watch?v=HKGiOY72ru4