- The eye on her stomach is extremely sensitive to light.
- She is friends with 0321, who acts as her seeing-eye-friend. She pays him with kisses, cookies and flower crowns.
- 0321 often carries her on his back.
- The most common name for her is "Zi", pronounced like Sai.
- She is also friends with 0281 and gets into a lot of shenanigans with them.
- She has a strong sense of smell and a peppy personality.