Bertram Grassby's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Bertram's 2 beats vs. Grassby's 2 create a natural cinematic snap.
Bertram Grassby's softer consonants cost it screen presence.
Bertram Grassby misses the alliteration hook that makes names stick.
Bertram (7 letters) and Grassby (7) are balanced in length — clean on any poster or marquee.
Bertram Grassby's uncommon phonemes make it harder for audiences to latch on.
Bertram Grassby has decent vowel richness, but stronger A and O sounds would lift it.