Errol Flynn's 3 syllables (2 + 1) hit the Hollywood sweet spot.
Errol's 2 beats vs. Flynn's 1 create a natural cinematic snap.
Errol Flynn's softer consonants cost it screen presence.
Errol Flynn misses the alliteration hook that makes names stick.
Errol (5 letters) and Flynn (5) are balanced in length — clean on any poster or marquee.
Errol Flynn's uncommon phonemes make it harder for audiences to latch on.
Errol Flynn has decent vowel richness, but stronger A and O sounds would lift it.