This is a primary dev tool for many that aren’t going the route of maya or 3dsmax. Funky sorta interface, but there is such a giant community behind this for support that you can’t go wrong. Someone else has already had the problem you have. Youtube it.
Aint nobody afford zbrush. So: use an old version of it from the makers of zbrush.
https://pixologic.com/sculptris/
All about making models that MOVE. Video game devs take notice.
Minecraft-like voxels but intended for some pretty robust modeling options.
Option for making humanoid figures and putting them out for use in other programs.