Shiokko is not an official character within the Hololive franchise but rather a collective nickname for the fans of Hololive member Houshou Marine. Often depicted as a mascot character with a salt shaker motif, Shiokko symbolizes the supportive and enthusiastic fanbase. In the context of the series and streams, Shiokko plays the role of the audience, participating in events, discussions, and cheering for Marine. The character embodies the spirit and energy of the community, making them an integral part of the Hololive experience.