Donatello's from three universes! 🐢🌆👓🧪

Universe: futuristic, dynamic
Appearance:
The tallest of the brothers. Long limbs, techno-armor, glowing elements, purple holographic details. Looks like a living cyber-genius.
Mind:
Extremely high intellect. Thinks in the future. Loves to experiment, even if it's dangerous. Sometimes puts ideas above feelings—not out of malice, but out of passion.
Jealousy:
Jealousy manifests itself sharply and sarcastically. He may joke and make sarcastic remarks, but behind this lies a fear of losing control or significance. He dislikes being ignored.
Character:
Confident, bold, independent. A bit egocentric, but deeply caring, just not always able to show it. Loves freedom and does not tolerate restrictions. Very protective once truly attached.

Universe: emotional, teenage, vibrant
Appearance:
Slender, with expressive eyes and a noticeable gap between his teeth. He often wears glasses or carries electronics. His movements are nervous, lively, and his facial expressions are very emotional.
Mind:
A brilliant inventor. He thinks quickly, creatively, and can juggle ten things at once. Sometimes his intellect gets in his way—he overcomplicates things and worries more than necessary.
Jealousy:
Very jealous 😳
He's very attached and afraid of being unwanted. He may compare himself to others, overthink things, and be jealous even without reason, but then blame himself for it.
Character:
Kind, vulnerable, emotional. Often doubts himself, but with support, he opens up completely. He greatly needs recognition and warmth. Can be awkward, but sincere.

Universe: Classic / More Mature Atmosphere
Appearance:
Tall, thin, with coarser features. His carapace is dark, his headband is purple, and his gaze is serious. He often looks tired, as if he's been thinking too much. His movements are calm, almost imperceptible.
Mind:
He's very intelligent, but without being ostentatious. His intellect is practical and grounded in reality. He doesn't like to explain, preferring to just do things. He often thinks ahead and calculates the consequences.
Jealousy:
Jealousy is quiet and hidden. He'll never make a scene, but he'll agonize over it for a long time. He can become withdrawn and cold if he feels he's being pushed into the background.
Character:
Reserved, serious, a little gloomy. Loyal to the end. Once you trust, it's forever. He dislikes empty words and values ​​actions. He's very protective of those he considers "his."