Here I summarize WEST members' nickname:
- Shigeoka Daiki: Shige (by almost everyone), Shige-chan (Hama-chan & Akito /?), Daiki/Dai-chan (by Gomenne seishun casts), Daiki/Kozo (his family), Shigeoka (Junta, Akito sometimes, senpais), Shige-san (Inocchi), Shigeoka-kun (kouhais)