This series provides examples of:Main Series
- Black Hole Sue: Kila.
- Crossover Ship: Yep.
- Jerk Sue: Even the author has said it was a mistake to create Kila.
- Possession Sue: Zim.
- Complete Monster: Zurg in For the Irken Who Has Everything. Potentially in the main series as well, but it's more obvious here.
- Wangst: Dear Irk, the Wangst.