Megalodon begins!
My eldest got a Lego Monster Jam Megalodon for their birthday a while back.
This thing is a mean looking machine. I love the teeth. As do my other kids... so when one of them also wanted one, I told them to hang on to their hats, because I'll make one for them for gaslands. What can I say, I am their dad. And we play gaslands.
I started with a Punk Rod:
I think it has the right shapes, the front of the hood looks like a snarling shark mouth already.
Tear apart:
Here is a mockup of the shapes I'm thinking of: