Fred Eustace's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Fred's 1 beat vs. Eustace's 2 create a natural cinematic snap.
Fred Eustace blends hard and soft consonants — decent presence, some softness.
Fred Eustace misses the alliteration hook that makes names stick.
Fred (4 letters) and Eustace (7) have a slight length mismatch, but it reads fine on screen.
Fred Eustace has mostly familiar phonemes with a few tricky patterns.
Fred Eustace has decent vowel richness, but stronger A and O sounds would lift it.