Punainen jättiläinen
 Punainen jättiläinen (Red giant) is a Finnish small publisher of Japanese manga and Korean manhwa. It was founded in April 2005 by its CEO Antti Grönlund. However the publisher was acquired by Tammi in 2009. Nowadays Punainen jättiläinen works together with Sangatsu Manga under facilities of Tammi publishing company.Punainen jättiläinen is known from their typically large-format bookstore-oriented releases.