Robert De Niro's 5 syllables (2 + 3) hit the Hollywood sweet spot.
Robert's 2 beats vs. De Niro's 3 create a natural cinematic snap.
Robert De Niro's softer consonants cost it screen presence.
Robert De Niro misses the alliteration hook that makes names stick.
Robert (6 letters) and De Niro (6) are balanced in length — clean on any poster or marquee.
Robert De Niro has mostly familiar phonemes with a few tricky patterns.
Robert De Niro's open vowels roll off the tongue — warm and screen-ready.