Volcanic glass
Derived from the name of a dark, glass-like volcanic rock. The stone was named after Obsidius, a Roman explorer who reportedly discovered it in Ethiopia.
About 16 boys were named Obsidian in 2025.
US births per 5-year period, 1990–present (SSA data).
A powerful fusion character · Steven Universe
Todd Rice, a superhero and son of Green Lantern · DC Comics
