Buster Keaton's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Buster's 2 beats vs. Keaton's 2 create a natural cinematic snap.
Buster Keaton blends hard and soft consonants — decent presence, some softness.
Buster Keaton misses the alliteration hook that makes names stick.
Buster (6 letters) and Keaton (6) are balanced in length — clean on any poster or marquee.
Buster Keaton has mostly familiar phonemes with a few tricky patterns.
Buster Keaton's open vowels roll off the tongue — warm and screen-ready.