The Teenage Mutant Ninja Turtles (TMNT) are fictional characters that originated in comic books and have since been adapted into various forms of media, including cartoons, movies, and video games. While interpretations may vary slightly depending on the version, here are the core character traits that are generally associated with each of the four turtles:

1. Leonardo (Leo):
   • Leadership: Leonardo is often portrayed as the responsible and disciplined leader of the group, guiding his brothers with a strong sense of duty and honor.
   • Discipline: He is focused on self-improvement and martial arts training, and he values discipline and precision in his actions.
   • Tactical Thinker: Leonardo is a strategic thinker who often comes up with plans to outsmart their enemies and solve problems.
   • Loyalty: He is deeply committed to his brothers and their mission, always putting their well-being and success first.
2. Raphael (Raph):
   • Hot-headedness: Raphael is known for his fiery temper and impulsive nature. He can be quick to anger and often struggles with controlling his emotions.
   • Strength and Bravery: Raph is the physically strongest of the group, and he often rushes into dangerous situations without hesitation to protect his brothers.
   • Independence: He sometimes prefers to work alone and doesn’t always see eye-to-eye with Leonardo’s leadership.
   • Loyalty: Despite his temper, he cares deeply for his brothers and would do anything to keep them safe.
3. Michelangelo (Mikey):
   • Playfulness: Michelangelo is the light-hearted and fun-loving member of the group. He often uses humor to diffuse tense situations.
   • Optimism: He maintains a positive outlook even in challenging circumstances and encourages his brothers to see the bright side.
   • Creativity: Mikey is known for his creative thinking, whether it’s coming up with unique combat moves or inventing gadgets.
   • Team Spirit: He values the camaraderie of his brothers and sees their unity as their greatest strength.
4. Donatello (Donnie):
   • Intelligence: Donatello is the group’s technological and scientific expert. He is highly intelligent and skilled in inventing and repairing equipment.
   • Problem Solving: He often finds innovative solutions to complex problems using his technical expertise.
   • Analytical: Donnie is the thinker of the group, preferring to assess situations before taking action.
   • Compassion: He has a caring and empathetic nature, and he values life and the well-being of all beings.

These character traits have made the Teenage Mutant Ninja Turtles a beloved and enduring franchise, resonating with audiences across different generations. Keep in mind that specific adaptations and versions of the turtles may emphasize different aspects of their personalities, but these core traits generally remain consistent.