Compared to his partner, Niels appears as a calmed miner, using persuasion and temptation to deceive his foes.
Niels is the tall, blond-haired, Slender skin, light blue eyes
Powers and abilities
He along with his partner Merkus first came to the jungle to mine diamonds.Tarzan agreed to guide them to a volcano to dig for diamonds, on the condition that he get one to give to Jane. After a mishap, they lose their diamonds and leave in chains. They later return to retrieve the diamonds, which may not have survived the lava. They are attacked by Tublat, who they capture, and are about to take him around the world as a showpiece until Tarzan, along with a protesting Terk, rescue him. Once again, Niels and Merkus leave the jungle empty-handed.