Dubstepforum.com

I'm in love with the synth in the beginning of 8 Bit Superhero by Excision. It sounds smooth, but has a little bit of an edge to it. Any tips on how to get this sound?

inb4 blahblahblah brostep sucks blahblahblah

It sounds like a square with a little bit of saw in it to me.
Also there's this, http://www.dubstepforum.com/viewtopic.php?f=8&t=230398