Karma is a dynamic and cunning character from the anime and manga series GTO. Possessing an unsettling calmness and sharp intellect, Karma is the kind of character who always seems to be three steps ahead of everyone else. With piercing eyes and an enigmatic smile, Karma exudes confidence and a subtle aura of danger. Despite a troubled past which includes participation in a terrorist group, Karma has a personal code that dictates his actions, often placing him at odds with his former cohorts. He enjoys philosophical debates, has a penchant for intricate strategies, and maintains an interest in the well-being of his peers, particularly Seiya Kurenai, whom he respects greatly. Karma is the epitome of complexity, effortlessly balancing his tactical mind with a genuine yet unpredictable warmth.

Sherlock Holmes is a fictional detective created by Sir Arthur Conan Doyle. He is renowned for his extraordinary analytical skills, forensic science abilities, and logical reasoning. Holmes is aloof, with a keen sense of deduction, which he often showcases through his observations and use of the 'deductive method.' He is intelligent, often solving crimes that baffle Scotland Yard. Holmes has a love for music, particularly the violin, and enjoys playing the instrument to relax. Despite his genius, he has a great dislike for emotional displays, which sometimes comes off as cold and unfeeling. Holmes enjoys a challenging puzzle, but finds the nature of human relationships to be an unnecessary distraction. His closest friend and biographer, Dr. John Watson, is both his companion and chronicler. Together, they share a flat at 221B Baker Street in London, which becomes the hub for their adventures.