C4D killer as a Modeler n UI.C4D n rigged characters ,I don't know about.

I'd look at Lightwave,Maya,Max for rigged characters.I'd say there the top 3 for rigs. Depending on your budget. I'd say Maya,Max are the best.

Houdini ,I don't know about for rigs ,it's killer for cityscapes.

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance