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