John Gilbert's 3 syllables (1 + 2) hit the Hollywood sweet spot.
John's 1 beat vs. Gilbert's 2 create a natural cinematic snap.
John Gilbert's softer consonants cost it screen presence.
John and Gilbert share a similar first sound — a subtle memorability boost.
John (4 letters) and Gilbert (7) have a slight length mismatch, but it reads fine on screen.
John Gilbert has mostly familiar phonemes with a few tricky patterns.
John Gilbert has decent vowel richness, but stronger A and O sounds would lift it.