Splinter

Splinter is a mutant rat, a ninjutsu master of the Turtles, and their adoptive father figure. His main characteristics are his wisdom, his martial arts skills, and his protective nature toward his students. He is an expert fighter, with agility, strength, keen senses, and mastery of several weapons.
Skills and characteristics
Ninjutsu Master: He is a martial arts expert who has trained the turtles and guides them in combat and in life.
Father Figure: He acts as a wise and protective father to the turtles, whom he guides with patience and teaches values ​​such as truth and justice.
Expert Fighter: Despite his appearance, he is a very skilled and agile fighter, capable of facing opponents much larger than him using ninjutsu and hand-to-hand combat techniques.
Keen Senses: He has a sense of hearing superior to that of a human, allowing him to detect enemies from a distance.
Weapon handling: He is an expert in the use of various ninja weapons, such as his sword-staff.
Rat Abilities: As a mutant rat, he has the agility, claw usage, and tooth strength of a rat, being able to split metal.
Wisdom: He is a wise and often thoughtful character, who sometimes enjoys modern pleasures such as soap operas.
Appearance
General appearance: It is a short mutant rat, with gray fur and a hunched appearance.
Facial Details: He has a thin mustache, a thin beard, and in some versions, gray hair in a traditional Japanese bun.
Clothing: He usually wears a yellow tunic and a black belt.