Ronin is a morally ambiguous Bounty Hunter and Thief who often changes allegiances depending on who pays him the most money.  Ronin sold Zane to Master Chen to pay off a debt he owed to the Soul Archer.  Whereas Dareth, also known as the "Brown Ninja" or Grand Sensei Dareth, is a laid-back, self-proclaimed Karate Master who owns a Dojo.  Dareth serves as a Supporting Character, often providing Comic Relief and occasionally assisting the Ninja with his self-proclaimed martial arts expertise.  Lil' Nelson is a courageous and Honorary member of the Ninja Team who first appeared as an aspiring young fan with broken legs. Despite his age, he has proven his bravery by assisting the Ninjas in critical missions and eventually becoming the Purple Ninja.  The Postman is a recurring character who tirelessly performs his job of delivering Mail, even in the face of constant danger and bizarre situations.  Cyrus Borg serves as a supporting character who is a Brilliant Inventor, often assisting the Ninja with his Technological Expertise.  After Borg was freed from the control of the Digital Overlord, he quickly becomes a valuable ally, frequently providing the Ninjas with essential gadgets and vehicles for their missions.