Waluigi first appeared in Mario Tennis in 2000 as Wario's partner and Luigi's rival, and his exaggerated, scheming personality made him a lasting meme figure online. Sounds attached to his name spread through gaming edits and soundboards because even a simple effect feels funnier when linked to him. Water in Waluigi follows that pattern, turning an ordinary splash into a shareable joke clip. Its short length keeps it in regular rotation for reaction videos, game streams and remixes where creators need a wet, silly accent without building a whole scene around it.