Place it at the very start of the entrance clip, then follow it with a yaaaay cheer once he is fully in frame, so it introduces him and the cheer carries the celebration.
À propos de ce son
This is a single voice shouting the name Yaseeeeeeef, stretched out across just over a second into one long, emphatic call. It lands as a burst of playful excitement, the kind of over-the-top greeting that makes a quiet moment suddenly loud and funny, and it works best when the shout itself is the joke.