artist self-insert
コテキャラ 代理キャラ 自设 sona my_sona self_sona selfsona artist_sona artistsona my_persona ゆめじょし 梦女
When the artist or creator puts themselves in their story, game, movie, etc, whether it be as a depiction of themselves, an original design representing themselves (including virtual youtuber avatar), them embodying one of their original characters or a generic faceless character, or even having an existing character act as their persona.