Working on these at the moment for the Biomachines contest (to be judged by Scott Robertson) . It's coming along for the most part but I thought I'd check in with the community to get some fresh eyes on these.
The only idea I'm trying to convey is big/strong/powerful.
It's based off on an older concept that I wanted to update for the contest.
Here's the original:
I've got these 2 designs right now: