Based on thorough examination of *Princess Jellyfish* media—including manga, anime, and live-action adaptations—no character named "Sugimotchan" appears in any official capacity. Detailed character documentation covers main figures like Tsukimi Kurashita and Kuranosuke Koibuchi, supporting roles such as Chieko, Mayaya, Banba, Jiji, Shū Koibuchi, Shōko Inari, and Juon Mejiro, and minor appearances including Yoshio Hanamori. Across all character lists, plot summaries, and adaptations, "Sugimotchan" remains absent from the series' established roster.