Slave Labor Graphics had a creator that also created what Nickelodeon animate series?
Slave Labor Graphics:  Creators associated with SLG over the years include Evan Dorkin, Sarah Dyer, Woodrow Phoenix, Jhonen Vasquez, and Andi Watson. Jhonen Vasquez: " and "I Feel Sick", and the Nickelodeon animated series "Invader Zim".
Invader Zim