The phone is voiced by Chelsea Peretti (famous for playing the phone-obsessed Gina Linetti on Brooklyn Nine-Nine ).
If you'd like, I can find this episode or share a list of other guest stars from Season 3. "Big Mouth" Cellsea (TV Episode 2019) - IMDb Cellsea * Episode aired Oct 4, 2019. * TV-MA. * 27m. [S3E2] Cellsea
💡 Cellsea eventually manipulates Nick into posting a risky video online, highlighting the episode's theme of the toxic nature of social media validation. Series Big Mouth Air Date October 4, 2019 Runtime Approx. 27–28 minutes Key Voice Guest Chelsea Peretti as Cellsea The phone is voiced by Chelsea Peretti (famous
Matthew deals with anxiety over a call from "Pharmacy Boy" while Maury the Hormone Monster pushes him to move faster with Aiden. [S3E2] Cellsea