John Barrymore's 4 syllables (1 + 3) hit the Hollywood sweet spot.
John and Barrymore have a workable rhythm — close to the perfect punch.
John Barrymore's softer consonants cost it screen presence.
John Barrymore misses the alliteration hook that makes names stick.
A 5-letter gap between John and Barrymore throws off the poster balance.
John Barrymore's uncommon phonemes make it harder for audiences to latch on.
John Barrymore's open vowels roll off the tongue — warm and screen-ready.