Put it at the start of the bit, right where the missing friend should appear, then follow it with Discord Join the moment they return. If they start making excuses, bring in No No Wait Wait next, so the callout, the return and the excuse land as one clear sequence.
关于此声音
This is a very short Spanish voice clip, about a second and a half long, bluntly asking where someone is and finishing with the slang insult mmgv. It lands as rude, funny and confrontational at once, like a friend calling out someone who has gone silent. The tone is direct and teasing rather than angry, which makes it work as a playful jab.