Mechanic is an antagonist of Ninjago: Skybound. He was imprisoned for being responsible of Chen's underground crimes.
Role in Ninjago
He is a criminal working secretly for Chen, doing the underground crimes for him. However, when Chen was stopped, he got imprisoned.
He appears trying to beat Zane up and make of him "spare parts", so he can avenge for Chen and Clouse. However, he is later brought back to his cell, managing to convince the cops that the ninja have started the fight.