Pieyon

Pieyon (ぴえヨン) is a supporting character in the Oshi no Ko manga series. He is a famous physical training Youtuber affiliated with Strawberry Productions.

Appearance
Pieyon is a muscular tanned man wearing a cute bird mask, which was a character from an unnamed TV show presumably named Pieyon. Later on, we see his unmasked figure, and it is revealed that he has black hair.

Story
He first appeared when Miyako Saitou brought him to teach the members of the revived B-Komachi group, Ruby Hoshino and Kana Arima on physical training and how to grow as an internet star.

Trivia

 * Pieyon is the top earner for the Strawberry Production company.
 * Pieyon is speculated to be the same character as Kazeno from Kaguya-sama: Love is War, another manga series which takes place in the same universe and written by Aka Akasaka.
 * While the theory remains unconfirmed, both characters share the same voice actor for the anime adaptation of both series.