Popo

Popo is a penguin that lives in The South Pole.

Appearance
He has a black head, eyes and fin, and the bottom part of his fin is white like his body and yellow beak and feet.

BoBoiBoy
Although he is a penguin, he appeared 4 times in the series, one from the commercial and 3 in the episodes.

Meet Ying
He appeared when Ying went to The South Pole but trapped herself when a snow storm arrived but Popo help her by throwing Snow Balls and let her free.

Season 1, Episode 3
BoBoiBoy Earth and BoBoiBoy Lightning remembered that Ying went to The South Pole again last week when BoBoiBoy asked him for two bags of ice but Popo took one of Ying's ice bags.

Season 1, Episode 10
He appeared in the special videos of Probe and Computer reading the Fan Mails with a video from "Meet Ying".

Triva
This character has an exact same version in Running Man Animation where there is another penguin named Popo https://runningmananimation.fandom.com/wiki/Popo but unlike this one the running man Popo is much more intelligent which can speak and move but it is a humanoid penguin from Peng Tribe because unlike this Popo the Running Man one is a main character.