Harry Northrup's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Harry's 2 beats vs. Northrup's 2 create a natural cinematic snap.
Harry Northrup's softer consonants cost it screen presence.
Harry Northrup misses the alliteration hook that makes names stick.
Harry (5 letters) and Northrup (8) have a slight length mismatch, but it reads fine on screen.
Harry Northrup's uncommon phonemes make it harder for audiences to latch on.
Harry Northrup has decent vowel richness, but stronger A and O sounds would lift it.