Also known as: d3rlord3, slimeknight
The deuteragonist of Minecraft webseries Searching For A World That Doesn'T Exist, real name Derek Hutchins, an experienced Minecraft player who is the former owner of Avery's laptop, who first came across the anomalous world the ARG is based around.
Most commonly depicted in the form of his Minecraft skin, a Knight in Gold Armor.