The tortured one is a gigantic anatomically correct starfish.
He has a tongue at the center which can extend, the tongue has a mouth at the tip.
He was born when Mr Krabs took an arm from Patrick and used the arm to create a a Patrick clone being tortured, he used him to make Krabby Patties
Tortured can summon an army of Patrick clones that extend their stomachs out of their bodies.
Hes manipulativr having lied to the original Patrick into freeing.
He destroyed bikini bottom