Sessue Hayakawa's 4 syllables (1 + 3) hit the Hollywood sweet spot.
Sessue and Hayakawa have a workable rhythm — close to the perfect punch.
Sessue Hayakawa's softer consonants cost it screen presence.
Sessue Hayakawa misses the alliteration hook that makes names stick.
Sessue (6 letters) and Hayakawa (8) are balanced in length — clean on any poster or marquee.
Sessue Hayakawa's uncommon phonemes make it harder for audiences to latch on.
Sessue Hayakawa has decent vowel richness, but stronger A and O sounds would lift it.