Hulk is a free Maya animation rig availabe at Firelight .

 Blue is a free Maya rig available at Lupin House .

Knight Spider is a free Maya animation rig by The Rookies available here , which is part of a contest you can read about here .

Stewart is a paid Maya animation rig and available here .

 Dude is a free Maya animation rig and available here  and here's the creator's Facebook page.

 Tom is a free Maya animation rig and available here .

 LEGO Wall-E is a free Maya animation rig and available here .

Aaag (Avatar The Last Airbender) is a free Maya animation rig and available on Rigstation August 1st 2020.

Sheik X Overwatch is a free Maya animation rig and available here .