Marko

Marko, And Now He's Dead, is a Unique Risen Dead found in the Mass Grave (accessed through the Old Tristram Road, between Adria's hut and the Cathedral) in of Diablo III.

In combat, he has the Plagued affix and deals increased melee damage. Visually, he wears armor and shield, unlike other zombies.

Trivia

 * This is, apparently, the same Marko of whom the guard in New Tristram is talking. The phrase "I promised Marko I'd protect him, and now he's dead!" has become a meme among the player community.