Riley Chamberlin's 5 syllables (2 + 3) hit the Hollywood sweet spot.
Riley's 2 beats vs. Chamberlin's 3 create a natural cinematic snap.
Riley Chamberlin's softer consonants cost it screen presence.
Riley Chamberlin misses the alliteration hook that makes names stick.
A 5-letter gap between Riley and Chamberlin throws off the poster balance.
Riley Chamberlin has mostly familiar phonemes with a few tricky patterns.
Riley Chamberlin has decent vowel richness, but stronger A and O sounds would lift it.