As a popular cartoon franchise, Invader ZIm has been referenced throughout other media. Below is a partial list of such references.
Video Games[]
South Park: The Fractured but Whole[]
GIR is on a shirt in this game, though he is colored blue. This may be due to copyright reasons.
Borderlands: The Pre-Sequel![]
In the character select screen for this game, the character Claptrap's combat style is described as "It's not stupid, it's advanced!", which is an iconic line that Tallest Purple said to Zim describing GIR in "The Nightmare Begins".
Web Comics[]
Girl Genius[]
At Seffie's masquerade ball, there is someone dressed as Professor Membrane.
Web Cartoons[]
Girl wearing a GIR hoodie
Hazbin Hotel[]
During Charlie's song, you can see the Almighty Tallest.
In a scene in Helluva Boss, the girl on the bottom right corner is wearing a GIR hoodie.
Murder Drones[]
In a promotion picture for the the first season, a character named Uzi is seen wearing a shirt with GIR riding a pig.
Cartoons[]
The Loud House[]
Ms. Bitters in The Loud House
In the episode "Linc or Swim", there are a ton of Nicktoons seniors who can be seen at a pool for old people, one of which is Ms. Bitters.