G.I.R.

GIR is Zim’s robotic servant, constructed from mere scrap parts; while all of the other Irken invaders were given fully functional SIR units, Zim, whose mission was supposed to be fake, received an extremely hyperactive piece of garbage. GIR is known to spout nonsense constantly and hinder Zim’s plans (often seen wearing a dog costume), though he does have rare moments of lucidity, when he actually obeys and carries out Zim’s commands, which shows how loyal GIR can sometimes be to his master. Throughout the “Dimension” saga, GIR follows Zim wherever he goes, even during situations where Zim betrays the group, and continues to alter his behavior, between obeying orders and simply acting crazy.

 (editing shall recommence soon)