There are a few synonyms for the name Cousteau, which is most commonly associated with French oceanographer and filmmaker, Jacques-Yves Cousteau. Some people may use the term "ocean explorer" or "underwater adventurer" to describe someone who is following in Cousteau's footsteps and exploring the depths of the ocean. Another term that could be used to describe Cousteau's work is "marine conservationist," as he was passionate about preserving and protecting ocean wildlife. Finally, Cousteau could also be referred to as a "documentarian" or "filmmaker" due to his numerous documentaries and films about ocean exploration and conservation.