Nicknames for Obsidian
3 nicknames, sorted by where they actually get used.
Office-safe
Sid
formal
Playground-friendly
Obie
casual
Obi
casual
Obsidian carries 3 documented short forms — Sid, Obie, and Obi — drawn from its English-origin roots. The list splits into 1 office-safe pick and 2 playground-friendly options so you can match the moment.