Robot Josh is the titular main antagonist of the My Parents are Aliens episode "Robojosh".
Biography[]
Brian Johnson got frustrated that his foster son Josh Barker wouldn't spend any time with him. Brian decided to construct a robot duplicate of Josh, who was far more willing to spend time with Brian. Robot Josh began taking over parts of Josh's life, and even stole his bed. When Josh tried to protest against the robot, Robot Josh bound and gagged Josh and locked him away in the closet.
The following morning Robot Josh went to school, where he stood up against the bullying teacher Mr Whiteside and refused to stay after school as punishment. Josh's friends (believing Robot Josh was actually him) were impressed by "Josh's" bravery and patted Robot Josh on the back, only to glitch his system. Robot Josh turned evil and wanted to kill Brian instead of loving him.
Robot John returned to the residence where he attempted to murder Brian. Brian discovered the real Josh tied up and untied him. While it seemed like Robot Josh was going to eliminate them, Robot Josh was deactivated by Brian's youngest foster son CJ.