The exact original source of this Wifi-kun clip is not widely documented, so it mainly lives on as a soundboard reaction rather than a famous scene quote. Its appeal comes from ganbatte being instantly understood by anime fans as sincere encouragement, even without Japanese fluency. Short Japanese voice catchphrases like Tuturu and Yamate Kudesai spread the same way, through edits, chats and meme pages where one line can set the whole mood. That portability keeps this cheer useful long after its first uploads, especially for wholesome, nervous or try-hard moments online.