Listed on user generated soundboards under the name Eloi Olsen, this heheeee clip has no widely documented source recording, film or show behind it, so its life is almost entirely online as a shareable reaction. The short length and clear laugh make it easy to repost, download as an MP3 and reuse across edits, which is how similar giggle sounds like the baby laughing meme spread between meme pages and group chats. It stays in rotation because a brief teasing laugh is endlessly reusable and needs no context to understand.