Leonardo DiCaprio's 6 syllables sit just outside the ideal 3–5 range.
Leonardo's 3 beats vs. DiCaprio's 3 create a natural cinematic snap.
Leonardo DiCaprio blends hard and soft consonants — decent presence, some softness.
Leonardo DiCaprio misses the alliteration hook that makes names stick.
Leonardo (8 letters) and DiCaprio (8) are balanced in length — clean on any poster or marquee.
Leonardo DiCaprio has mostly familiar phonemes with a few tricky patterns.
Leonardo DiCaprio has decent vowel richness, but stronger A and O sounds would lift it.