Frank Sheridan's 4 syllables (1 + 3) hit the Hollywood sweet spot.
Frank and Sheridan have a workable rhythm — close to the perfect punch.
Frank Sheridan's softer consonants cost it screen presence.
Frank Sheridan misses the alliteration hook that makes names stick.
Frank (5 letters) and Sheridan (8) have a slight length mismatch, but it reads fine on screen.
Frank Sheridan's sounds flow naturally in English — easy to say and remember.
Frank Sheridan's open vowels roll off the tongue — warm and screen-ready.