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