Omaru Polka is a Japanese VTuber with Hololive who debuted in 2020 as the fennec fox ringmaster of its fifth generation, and fans affectionately call her Omapol. Mofu mofu is a Japanese mimetic word for something soft and fluffy, suiting her fox ears and tail, and she uses it when talking about cute, cuddly things. Short clips of her voice circulate widely among Hololive fans as reaction sounds, sitting alongside other beloved anime catchphrases like tuturu and playful voice clips such as onii-chan, onii-chan.