Aflacduck

3 clues
Noted "spokesfowl
Advertising icon enshrined on Madison Avenue's Walk of Fame
Advertising icon whose first commercial was called "Park Bench
Similar answers:
Aflac
Aflacduck
Aflame
Aflap
Aflare
Aflash
Aflashinthepantry
Aflashlightis
Aflat
Aflatminer
Aflats
Aflaw
Allaflame
Asquickasaflash
Atlantaflacons
Backinaflashmob
Chargeaflatfee
Cocoaflavor
Cursingataflattire
Decaflatte