The exact origin of this particular "oh, hello" clip is unclear from the available metadata, but short greeting reactions like this spread widely through meme edits, short videos, and soundboard culture in the 2010s and 2020s. Its staying power comes from how flexible it is: creators can use it for surprise entrances, awkward interruptions, or self-aware reaction cuts. Because the phrase is so common and easy to understand, it keeps getting reused in new contexts even when the original source is not identified.