Mumm-Ra promises Charr-Nin freedom in exchange for granting his request to eliminate the ThunderCats. Charr-Nin abducts Lion-O, binding him in a remote cave. The Thunderkittens activate the harp to confront him and end up bound with Lion-O in the same cave, but once it is revealed that Mumm-Ra has lied, Charr-Nin's attention is diverted to fighting Mumm-Ra, and the ThunderCats manage to escape.
The ensuing battle with Mumm-Ra causes the cave to collapse and it is unknown what becomes of Charr-Nin or the golden harp.
He is most likely voiced by Bob McFadden.