Hermione Granger is one of the central characters in the Harry Potter books and films, so greetings using her name are instantly recognisable to fans. Short dialogue moments like this one were later lifted into meme edits, where bass boosting became a popular way to make ordinary lines feel absurdly powerful. The boosted version circulated on soundboards and in short video edits as a quick entrance joke. It remains used because the name needs no setup, and the heavy low end turns a simple hello into a memorable cue.