Joseph Singleton's 5 syllables (2 + 3) hit the Hollywood sweet spot.
Joseph's 2 beats vs. Singleton's 3 create a natural cinematic snap.
Joseph Singleton's softer consonants cost it screen presence.
Joseph Singleton misses the alliteration hook that makes names stick.
Joseph (6 letters) and Singleton (9) have a slight length mismatch, but it reads fine on screen.
Joseph Singleton has mostly familiar phonemes with a few tricky patterns.
Joseph Singleton has decent vowel richness, but stronger A and O sounds would lift it.