Rhea Mitchell's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Rhea's 1 beat vs. Mitchell's 2 create a natural cinematic snap.
Rhea Mitchell's softer consonants cost it screen presence.
Rhea Mitchell misses the alliteration hook that makes names stick.
Rhea (4 letters) and Mitchell (8) have a slight length mismatch, but it reads fine on screen.
Rhea Mitchell has mostly familiar phonemes with a few tricky patterns.
Rhea Mitchell has decent vowel richness, but stronger A and O sounds would lift it.