Do you want to compare Solomon Grundy with Obsidian? Discover the powers, weakness & weapons of Solomon Grundy and Obsidian from Solomon Grundy Biography and Obsidian Biography. Find out all about Solomon Grundy and Obsidian.# Check out how is Solomon Grundy unique and distinct from Obsidian. Discover their love interest, sidekicks, family tree and the movies and games list in which Solomon Grundy and Obsidian have appeared. Find out everything about them here!