[2][3] Kakao Friends has been used in various products and commercials, and has gained popularity and have become beloved characters in South Korea.

[4] Kakao Friends characters were developed in about two months after the idea meeting in July 2012 began.

[5] Many Kakao Friends products have been produced, ranging from foods, games, household supplies, finance, and more.

[29] It has been embroiled in controversy that it promotes violence and cruelty on social media.

[30] The fact that the character description of 'Panda', whose last name is 'only one', contains the phrase, "The goal is to dry out all the polar bears," and Cobb & Panya, introduced as a detective duo, "has a stalker temperament and likes to follow.