League of Legends has champion skins that represent browser engines.
We have Chrome Rammus, Safari Caitlyn, Foxfire Ahri, and Explorer Ezreal skins available in League of Legends.
Shaco’s voice line “Why so serious?” is a reference from The Dark Knight movie.
Heimerdinger has the longest champion name which is twelve characters long.
Heimerdinger's name represents the last names of J Robert Oppenheimer and Erwin Schrödinger.
In Arcane, Vi calls Caitlyn cupcake. This is a reference to Caitlyn’s in-game ability W - Yordle Snap Trap which has a cupcake as bait.
Ezreal is named after Riot Games Lead Game Designer Colt “Ezreal” Hallam.