Kron

The Kron are a rock-like race in Sonic Chronicles: The Dark Brotherhood. They are one of the five "tribes" in the Twilight Cage. Their leader is Foreman Kraig.

the Kron are known for thier mining ability, a fact exploited by Ix of the Nocturnus. They are also known for having high endurance, leaving piercing attacks and making them vulnerable the main strategy in defeating them.

In Sonic Chronicles, the Kron manufacture the Nocturnus' weapon and armor. They have done so until they were liberated by Sonic.