Place it right after the impostor is shown, then follow it with the Nope meme sound to shut the claim down, and bring in the Okay Let's Go sound for the real Sonic's entrance later in the edit.
關於此聲音
This under-two-second voice clip has Amy Rose bluntly telling someone they are not Sonic, in a bright, teasing tone that lands like a quick call-out. It feels funny and a little confrontational, perfect for catching an impostor in the act without a long explanation.