TV-Series
Description
Dr. Root is a recurring character in the Duel Masters anime, known for his dual identity as both a brilliant and eccentric scientist and a highly skilled duelist. He first appears as the boss of the infant prodigy George Kamamoto, acting as his mentor and guardian. His appearance is distinctive, typically featuring cross-shaped or unruly hair, thick eyeglasses, and a purple patch covering part of his head. Despite his somewhat comical or mad scientist demeanor, which includes habits like using an ear pick, he is deeply serious when it comes to the value of life and the art of dueling.

In terms of personality, Dr. Root often employs eccentric and unorthodox methods in his training and daily life. His actions, whether building human-resembling robots like Mr. Perfect or giant pilot-able machines, always seem to contain a hidden lesson intended to help young duelists like Shobu Kirifuda and his friends grow stronger. He can appear detached or even cruel, as demonstrated when he severely defeats Shobu in their first duel to teach a profound lesson about the potential consequences of battle, only to immediately perform surgery to heal him. This duality underscores his core motivation: a sincere commitment to nurturing powerful duelists capable of facing world-level threats, and a willingness to use extreme measures to protect others.

Dr. Root's role in the story is primarily that of a mentor and a supporter from the shadows. He is responsible for gathering and training the next generation of duelists after a catastrophic event at a world tournament left the Earth without anyone strong enough to defeat a major antagonist. His scientific expertise allows him to create advanced training robots and find cures for supernatural afflictions, such as healing a character from a mystical poison while in America. He also plays a critical role in the narrative by rescuing other duelists from villainous clutches and using his dueling abilities to break brainwashing spells.

Key relationships are central to his character. His bond with his first disciple, George Kamamoto, is particularly significant, as he took him in as a baby and raised him as a student. He later extends his tutelage to Shobu Kirifuda, Hakuoh, and Mimi Tasogare. His reputation is such that even powerful antagonists like Zakira consider him a difficult opponent, opting to retreat rather than confront him directly. Dr. Root also has a known connection to the previous generation of duel masters, having served as a physician to them.

Throughout the series, Dr. Root shows a clear developmental arc. He begins as a mysterious and somewhat terrifying figure who demonstrates the lethal potential of a true duel. Over time, he transitions into a dedicated trainer and tactical supporter, often appearing in times of crisis to provide aid or critical interventions. At one point, he is seen to break a personal vow to engage in a serious duel to protect his students, using powerful creatures named Geki and Metsu to achieve victory.

As a duelist, Dr. Root is deceptively capable and holds a perfect win record in the original manga continuity. He typically employs a deck that combines the Water and Darkness civilizations, a strategy similar to that used by his apprentice George. His approach to dueling is analytical, and he is known for his ability to cure people from physical wounds inflicted by creature battles, a unique skill that ties his medical and dueling prowess together.

Multi-Card Monty is a duelist introduced during the Duel Masters Charge season. He is recognized as one of the strongest duelists within the Black Soldiers organization. Monty has a notable background as a competitor in the Duel Masters Battle Arena Tournament, where he achieved victory against a duelist named Hogo from New York. He is also known to have dueled against the character Mimi Tasogare, resulting in a loss for him. His personality is marked by a peculiar habit of telling long, rambling stories to his opponents before a match, using this distraction as a tactic to confuse them while he continuously shuffles his deck. In terms of dueling style, Monty relies on a strategy focused on the Water Civilization. His deck is built around drawing a high volume of cards into his hand and summoning Cyber-type creatures to overwhelm his opposition.