Red-headed host of an HBO Max kids' show (4)

I believe the answer is:

elmo

(Other definitions for elmo that I've seen before include "Puppet character" , "Saint associated with fire" , "Sesame Street character - patron saint of sailors (with his own fire)" , "Saint whose "fire" occurs around masts etc" , "Fiery saint" .)

I've seen this clue in the Newsday.

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