Crypt Fiend

The Crypt Fiends were an undead sentient species of large arachnids who comprised part of the Lich King's armies.

History
Numerous Crypt Fiends defended the Frozen Throne from the Legion Makuta in the Battle for the Frozen Throne, but were defeated.

Trivia

 * The Crypt Lords were a race of Crypt Fiends that were considered superior to the ordinary Crypt Fiends, but were still part of the same species.