Liam Neeson's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Liam's 1 beat vs. Neeson's 2 create a natural cinematic snap.
Liam Neeson's softer consonants cost it screen presence.
Liam Neeson misses the alliteration hook that makes names stick.
Liam (4 letters) and Neeson (6) are balanced in length — clean on any poster or marquee.
Liam Neeson has mostly familiar phonemes with a few tricky patterns.
Liam Neeson has decent vowel richness, but stronger A and O sounds would lift it.