Teresa Michelena's 7 syllables sit just outside the ideal 3–5 range.
Teresa's 3 beats vs. Michelena's 4 create a natural cinematic snap.
Teresa Michelena's softer consonants cost it screen presence.
Teresa Michelena misses the alliteration hook that makes names stick.
Teresa (6 letters) and Michelena (9) have a slight length mismatch, but it reads fine on screen.
Teresa Michelena's sounds flow naturally in English — easy to say and remember.
Teresa Michelena has decent vowel richness, but stronger A and O sounds would lift it.