John Emerson's 4 syllables (1 + 3) hit the Hollywood sweet spot.
John and Emerson have a workable rhythm — close to the perfect punch.
John Emerson's softer consonants cost it screen presence.
John Emerson misses the alliteration hook that makes names stick.
John (4 letters) and Emerson (7) have a slight length mismatch, but it reads fine on screen.
John Emerson has mostly familiar phonemes with a few tricky patterns.
John Emerson's open vowels roll off the tongue — warm and screen-ready.