The Screwheads are a race of roughly humanoid aliens whose name is derived from the large screws embedded in the tops of their heads.
These creatures made their first and only appearance in the episode "Megadoomer". They are short in stature, with yellowish-green skin and beady blue eyes. Their tongues are forked like a snake's, and they appear to have almost webbed feet. Their clothing consists of a belt with a long loincloth or jacket attached.
The Screwheads' home planet has been conquered by the Irken Empire and had been converted into the Conveyor Belt Planet, which facilitates the shipping of packages to other planets via wormholes. The Screwheads themselves were enslaved as well, and toil endlessly on their own planet, shipping packages under threat of torture via tasing by the Irken Slave Drivers.
One of the Screwhead laborers, Smikka Smikka Smoodoo, once attempted to start a rebellion against his Irken oppressors, but the closest he got (before he was shocked by a Slave Driver) was switching the labels on two packages. Ironically, Smikka did cause a chain of events that lead to Invader Tenn failing her mission on Planet Meekrob. The packages he switched caused Invader Tenn to receive malfunctioning SIR Units, which destroyed her base.
- According to Jhonen Vasquez in the Megadoomer commentary, he left a footnote for the coloration of the screwheads and had them yellowish-green.
|Species of Invader Zim|
|Blobs • Brain-Eating Parasite • Hogulus • Humans • Irkens • Large-Nostril People • Martian • Meekrob • Nhar-Gh'ok • Planet Jackers • Plookesian • Rock Species • Screwheads • Slaughtering Rat People • Vortian|