Arthur Donaldson's 5 syllables (2 + 3) hit the Hollywood sweet spot.
Arthur's 2 beats vs. Donaldson's 3 create a natural cinematic snap.
Arthur Donaldson's softer consonants cost it screen presence.
Arthur Donaldson misses the alliteration hook that makes names stick.
Arthur (6 letters) and Donaldson (9) have a slight length mismatch, but it reads fine on screen.
Arthur Donaldson has mostly familiar phonemes with a few tricky patterns.
Arthur Donaldson's open vowels roll off the tongue — warm and screen-ready.