- Template:Csi was one of the champions chosen from the Ionian pool available during the Ionia vs. Noxus match.
- Template:Csi is able to stun champions 2 or even 3 times (if he has enough energy) in a row:
- Fifth hit of Template:Ai and its active. (2 marks)
- Template:Ai. (first stun)
- Template:Ai. (1 mark)
- Template:Ai. (2 marks)
- Template:Ai. (second stun and 2 marks)
- If he still has energy Template:Ai. (third stun)
- Template:Csi dance is a reference to a breakdance move called an airflare.
- "Kennen" means "to be familiar with" in German and Dutch.
- Template:Csi voice is probably the same from the "Island CX Franco", from the game Twinsen's Odyssey. His voice can be checked in this video (around 08:34)
- The 'Eyes' in Kennen's quote of 'The Eyes Never Lie' when being picked may be referring to Shen, the leader of the three ninajs.
- Template:Csi is currently the only Energy-using Champion whose Ultimate Ability has an associated Energy Cost.
Template:Csi shares a quote with Template:Ci: "From the shadows."
- Template:Csi is a reference to the Template:W movie series.
- Template:Csi bears a strong resemblance to Template:W' Template:W.
- Template:Csi is likely a reference to Jedi Master Template:W from the Template:W franchise.
- Template:Csi is part of a "Medical" theme whom he shares with his fellow ninjas, Template:Ci and Template:Ci. This is may a tribute to the webcomic series Template:W, which stars an eponymous medical ninja.
- Template:Csi artwork shows Template:Ci having Template:Ai on a Blue melee minion.
- Template:Csi throws kunais instead of shurikens and has 2 big kunais on his back.
- Kennen is a member of the Kinkou Order along with Template:Ci and Template:Ci. The three shadow warriors work together in order to preserve the balance in Valoran.
- Kennan and his fellow ninjas are at war with Template:Ci and his Order of Shadows.
- Kennen's parents reside in Bandle City.
- Kennen enjoys listening to Template:Ci music.