Question: Is Olivia Newton-John hyphenated celebrity name with most letters?, Answer:No, Description of Hyphen: Punctuation mark used to join words, Fact1: Olivia Newton-John has sixteen letters in her name., Fact2: Actress Catherine Zeta-Jones has 18 letters in her name., Fact3: Actor Joseph Gordon-Levitt has 18 letters in his name.
Step1: How many letters are in the name Olivia Newton-John?, Step2: How many letters are in the name Catherine Zeta-Jones?, Step3: How many letters are in the name Joseph Gordon-Levitt?, Step4: Is #1 greater than both #2 and #3?, Wikipedia page for step 1: Olivia Newton-John, Wikipedia page for step 2: Catherine Zeta-Jones, Wikipedia page for step 3: Joseph Gordon-Levitt, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False