George McFly is a central character in the 1985 film Back to the Future, portrayed by Crispin Glover. His nervous mannerisms and unusual vocal reactions helped establish the character’s shy, socially uncomfortable personality. Clips of his laugh later became useful material for reaction edits and soundboards, where repetition heightens its awkward quality. The laugh remains recognizable because it communicates anxiety and forced amusement without needing dialogue, allowing creators to use it across many unrelated comedic situations.