Rotgrum

Rotgrum is an orc quest giver at the Glopgut's Hollow in the Twilight Highlands. He mentioned that he was once in Silithus and learned a few tricks in which he uses again in the highlands.

Quests

 * Dressed to Kill
 * Purple is Your Color

Quotes
Warlord Krogg sent me here to keep this front locked down. But he hasn't sent me any soldiers yet.
 * Gossip

Look at this place! I've got ogres. I've got Twilight's Hammer. I've got... nothing.

Speculation
One can easily assume that he was present there for the Gates of Ahn'Qiraj.