Henry B. Warner's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Henry's 2 beats vs. B. Warner's 2 create a natural cinematic snap.
Henry B. Warner's softer consonants cost it screen presence.
Henry B. Warner misses the alliteration hook that makes names stick.
Henry (5 letters) and B. Warner (7) are balanced in length — clean on any poster or marquee.
Henry B. Warner has mostly familiar phonemes with a few tricky patterns.
Henry B. Warner has decent vowel richness, but stronger A and O sounds would lift it.