NO! his legs were holdin him up REALLY well... i used a GOOD system that is so strong you could put two times his bodyweight on top of him and it would hold up!
The waste isn't really a problem, but it looks like he's struggling to stand up. If you were to get some support axles (like the ones on Makuta Icarax's legs for example), that would allow for more poses without risking him toppling over. I had the same problem with Leviathan and still do to some extent lol. Thanks for the review too. I've been busy recently so I haven't been able to update my page as frequently, but I haven't forgotten about it.