How to make a NON TYPICAL Deadmau5 bass..?

he makes a great bass like a really distorted saw or something help me out??

- YouTube (at 1.03)

Deadmau5 - To play us out [BEST QUALITY] - YouTube (at 1.41)

- YouTube (at 33 secs)

and if someone could suggest how these notes might be laid out would be a help;)