Holmes Herbert's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Holmes's 1 beat vs. Herbert's 2 create a natural cinematic snap.
Holmes Herbert's softer consonants cost it screen presence.
Matching "H"s make Holmes Herbert an instant sonic hook.
Holmes (6 letters) and Herbert (7) are balanced in length — clean on any poster or marquee.
Holmes Herbert has mostly familiar phonemes with a few tricky patterns.
Holmes Herbert has decent vowel richness, but stronger A and O sounds would lift it.