Justin has long, light brown hair. He wears a gray hoodie, a white shirt, black pants, and white sneakers.
- The way that Justin Bieber dances at his concert is reminiscent of Michael Jackson, especially in the way he grabs his crotch.
- Although Justin had a high-pitched voice when the episode aired, the one used in the episode is mockingly much higher.
- Justin Bieber, along with Alanis Morissette, Star Wars Kid, as well as Tom Green, is one of the few Canadian celebrities who are not given a traditional Canadian appearance (the floppy head and beady eyes). This was done to make them more identifiable.
- Butters Stotch mentioned him in "T.M.I.", stating that he was angry at all the kids in school acting like "little Justin Biebers".
- In "#HappyHolograms", CartmanBrah mentions in his commentary that a producer who looks to be in his 40s but still has a Justin Bieber haircut.
- A possible reason why Justin Bieber was killed was because of his 'hit' song of that time, which was "Baby" was disliked by many netizens on YouTube. It had 11 million dislikes over 13 million likes, as of 13th July 2020. This was YouTube's 2nd most disliked video of all time.
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