Henry Kolker's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Henry's 2 beats vs. Kolker's 2 create a natural cinematic snap.
Henry Kolker's softer consonants cost it screen presence.
Henry Kolker misses the alliteration hook that makes names stick.
Henry (5 letters) and Kolker (6) are balanced in length — clean on any poster or marquee.
Henry Kolker has mostly familiar phonemes with a few tricky patterns.
Henry Kolker has decent vowel richness, but stronger A and O sounds would lift it.