How does Jabba the Hutt have any power? He's just a big frog worm thing... !
Question: How does Jabba the Hutt have any power? He's just a big frog worm thing... WTF?
Answers:
The same way Don Corlone had power. He has a large network of people who work for him and lots of money.
Immunity to Jedi Mind Tricks.
He's big...and he has lots of 'thugs' who work for him.