- Estrogen Brigade: Most fans are female, contestants with the biggest support are mostly male.
- Ho Yay: Usually in the form of deep man-to-man hugs after a Shocking Elimination.
- Moment of Awesome:
- Jacob Hoggard's cover of "Space Oddity", the best moment on any Idol show ever.
- From Season 2, Canadian Railroad Trilogy.
- Season 4 brings us The Agonist's Alissa White-Gluz (a metal singer) who auditioned as a joke - and got through. She didn't make it to the live shows because she refused to sign an exclusivity contract (the band already being signed to Century Media at the time).
- The success of contestant Carly Rae Jepsen's "Call Me Maybe".
- More Popular Spin-Off: "Call Me Maybe," internationally.