Seihai-kun (Grail-kun) is a parody character in Carnival Phantasm. He is a mascot-styled version of the Great Grail. He was originally part of the TMitter April Fools' Day site where he was listed as (ã�›ã�„ã�¯ã�„ã��ã‚“, ?). His segments in Carnival Phantasm follow characters seeking help with their problems, and Grail-kun giving them a tool like the "Friendmaker" and the "Hero Creation Kit" in a Doraemon-like manner. Each tool is just a simple kitchen knife, and he implies that they use to solve their problems in violent manners like "show him who is boss" or "you'll become a hero after killing a million people."