Creating that Haunta/Savid growl

How would I go about creating a sound similar to the one used in Haunta and Savid’s songs? I don’t necessarily need to have an exact copy, I’d just like to have a reference to go by when creating future patches. I’ve gotten close to it using malström but not close enough. I currently use reason as well as ableton if that helps. Here’s a couple of examples of what I’m talking about: