Edgar Selwyn's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Edgar's 2 beats vs. Selwyn's 2 create a natural cinematic snap.
Edgar Selwyn's softer consonants cost it screen presence.
Edgar Selwyn misses the alliteration hook that makes names stick.
Edgar (5 letters) and Selwyn (6) are balanced in length — clean on any poster or marquee.
Edgar Selwyn has mostly familiar phonemes with a few tricky patterns.
Edgar Selwyn has decent vowel richness, but stronger A and O sounds would lift it.